Halloween 2019: Most Spooktacular Celeb Costumes!

Midler's annual Hulaween had a Hollywood theme for 2019, and her friends did not disappoint! Zeta-Jones channeled Jean Harlow's Kitty Packard from 1933's Dinner at Eight while Douglas portrayed Peter O'Toole‘s titular character from 1962's Lawrence of Arabia. As for the Politician star, she stood out as Mae West.

The pals skipped down the yellow brick road -- er, red carpet -- at Bette Midler's bash as Wizard of Oz's Scarecrow, Dorothy, Tin Man and Cowardly Lion.

The truth didn't hurt when it came to Lizzo's DNA test!

"Yes, your dad is really Ernesto De La Cruz!" the Fuller House star joked of his Coco costume while holding his son, Billy.

Those crazy kids! Duff dressed up as Velma to fiancé Matthew Koma's Scooby-Doo, while their daughter, Banks, was an adorable Shaggy. The Younger star's son, Luca, whom she shares with ex-husband Mike Comrie, dressed up as a different animated character: Wolverine.

Leave it to the Bronx native to rock a sexy nun costume in Sin City. Cardi wore the outfit onstage as she kicked off the grand opening of the Palms Casino Resort's dayclub/nightclub, KAOS Dome, at its “Demon Dome” Halloween party, inspired by the movie Mad Max.

The ultimate gal pals! Alba and her BFF, Kelly Sawyer, continued their matching friend costume tradition, this year going as Thelma and Louise.

"Hope everyone had a good #Halloween! Lots of love from Cheer Bear, The Grinch, Max and Buck Daniels..." the country crooner wrote of her, sons Isaiah and Jacob and husband Mike Fisher's costumes.

Scrub-a-dub-dub! Fanning posed in a bathtub to perfectly show off her loofah costume, complete with a rubber ducky headband.

There is no Dana, only Zuul! Even the Mad Men alum's '80s makeup perfectly portrayed Sigourney Weaver's Ghostbusters heroine. 

She was late for a very important date -- showing off here Alice in Wonderland outfit! "Oops ? a day late ? but hey .....? I was Alice this year for Halloween ?," the pop star wrote on Instagram.

"Daenerys no way I could have had a better King of the North. @hardy Thank for dressing up with me! Happy Halloween everyone ?," the Dancing With the Stars contestant wrote on Instagram.

The rapper made a happy meal out of his Ronald McDonald costume.

One of the L.A.'s Finest star's many Halloween 2019 costume changes included this fierce Grace Jones look.

The Will & Grace star was on fire as Joan of Arc.

"Happy Halloween from the Aldeans of Winterfell. ? ? #gameofthrones #motherofdragons," the country singer wrote on Instagram of his family's Game of Thrones costumes.

Three cheers for Texas! The "Rainbow" singer jumped for joy as a Dallas Cowboys cheerleader. Musgraves grew up less than 90 miles from Dallas in the small town of Golden.

The momager donned full Day of the Dead regalia to bring Coco to life for her grandkids, while her son got all made up as Papa Troll.

"Santas sleigh is stuck in traffic..." the Parenthood alum's wife, Kristen Bell, joked of her husband's Santa Claus costume.

The mom of two primped and pruned to transform into Midge Maisel from the Marvelous Mrs. Maisel.

Play ball! The Charlie's Angels star walked onto the Late Night With Jimmy Fallon stage in a bloody baseball player outfit.

The "Trigger Bang" singer suited up as Kris Jenner, while her beau looked very happy to channel Jack Nicholson's role in The Shining.

"My mom was upset they didn't pick her to play Morticia so she gets this one night #happyhalloween," Theron joked of her mommy-and-me Morticia and Gomez Addams costumes while referencing her voice role in the new Addams Family movie.

We see spots! The Good American co-founder struck a pose as Cruella De Vil with one of her 101 Dalmatians, daughter True.

After her Enigma residency show in Las Vegas, Mother Monster pranced into Mama Rabbit Bar in Park MGM as a unicorn and posed for a pic with drag queen Jodie Harsh.

It took the America's Got Talent judge nearly 12 hours to transform into an out-of-this-world alien for her 20th annual Halloween Party in New York City, with her husband, Tom Kaulitz, going as the astronaut she attacked.

The Victoria's Secret Angels turned up the heat at Heidi Klum's party as the Fifth Element's Leeloo and Natalie Portman's character from Closer.

Blast from the past! The pop icon pulled out the hairspray as an '80s hair band rocker at Heidi Klum's party.

Questlove stayed in costume even as he DJ'd Heidi Klum's party, continuing to hold up his rake as the farmer from the famous American Gothic painting.

The model put a playful spin on Holly Golightly, having her breakfast on-the-go rather than at Tiffany's.

The Colombian singer brought the drama to Heidi Klum's fête as the Phantom from Phantom of the Opera.

Talk about clever! JVN transformed into his spirit animal, a cat, while his Queer Eye pal truly terrified us as a Blockbuster employee back from the dead.

The whole Decker clan dressed up as Toy Story characters.

"Ready or not, trick or treating here we come!! #happyhalloween," the Brazilian model wrote of her family's very different costumes on Instagram.

The *NSYNC members reunited at Podwall Entertainment's Maker's Mark-sponsored 10th Annual Halloween Party in West Hollywood, where Bass danced the night away as JoJo Siwa and Chasez was a delightful Mickey Mouse.

Sims' whole family got dressed up as Wizard of Oz characters.

The Baldwins declared themselves the unicorn family!

The "ICY GRL" transformed into Harley Quinn to perform at LIGHT Nightclub's LIGHTMARE Halloween party in Las Vegas.

The "Hurts 2B Human" singer's family went punk! "Happy Halloween from the punk rock spider people ??," she captioned a snap while rocking out with husband Carey Hart and their kids, son Jameson and daughter Willow.

"Call me Cliff Booth," the Late Night star said of her Once Upon a Time... in Hollywood-inspired outfit.

Before heading out to Heidi Klum's bash, McCarthy -- decked out in a full Joker look -- posed for a pic with his dog, Porkins, who looked too cute in a Batman costume.

Just like Kim Kardashian and Kanye West's crew, the Olympic swimmer and his wife and kids got animated as the Flintstones.

There's a new Captain Hook in town! 

To celebrate pal Kendall Jenner's birthday, the model slipped into a Catwoman suit.

At the same soiree, Hadid left her pals green with envy as Jim Carrey's character from The Mask.

The Bohemian Rhapsody actress made one drop-dead gorgeous bride.

Clad in sultry vampire attire, the Brazilian model was a bloody good hostess at her and Darren Dzienciol's Horror in the Hills soiree in Beverly Hills.

The late-night talk show hosts were made up in full Day of the Dead makeup and rose crowns as they posed for a pic with John Mayer, who wasn't dressed up but was holding a Jack o'lantern carved in his honor.

The singer bewitched as Winifred Sanderson, while two of her fellow Kelly Clarkson Show ladies dressed up as the leader of the Hocus Pocus' witch's sisters, Sarah and Mary.

“Dressed as my comedy idol Lucille Ball (black & white)” #ilovelucy #happyhalloween #lucilleball," the Once Upon a Time... In Hollywood actress shared on Instagram.

Victoria and David Beckham's youngest child, Harper, was our favorite bad guy, Billie Eilish, while dad went as a burglar and Brooklyn as a prisoner. We have no idea what Romeo is (a killer lizard, perhaps?), but he seems pretty stoked about his green bodysuit!

Center Stage called Saldana back once again!

Meet the Wests! The reality star and the rapper's whole clan got in on the Flinstones fun -- and, yes, that is Kanye in the dino suit! "This family pic was such a challenge because Chicago was so scared of Dino! LOL We tried to explain and show her that it was just daddy but she didn’t get the concept yet! So shout out to the photographer for editing her in & making our family Flinstones dreams come true!" Kim explained on Instagram.

The actress' daughter, Birdie, dressed up as Regina George, so Philipps naturally went as Regina's Mean Girls mom. But we really want to know where she found that camcorder in 2019!

This is what Disney dreams are made of! "HAPPY HALLOWEEN from Cinderella, Prince Charming, the Fairy God Mother and Gus Gus," Kramer wrote of her family's precious coordinating costumes.

The former How I Met Your Mother star's family doubled down on art this year! "Welcome to the 2019 Burtka-Harris Boo-seum of Art. Audio guides are available in the gift shop. #happyhalloween @dbelicious," he captioned an Instagram photo of his whole family in a decadent frame, with daughter Harper as Frida Kahlo, son Gideon as Andy Warhol, husband David Burtka as Salvador Dali and himself as Pablo Picasso. 

Forget Poison Ivy -- the "Push" rapper dubbed herself "Money Ivy."

It's hard to beware of death when it looks like this! Hemsworth dressed up as the Grim Reaper for a Halloween party with wife Elsa Pataky and his parents, Leone and Craig Hemsworth, in Byron Bay, Australia.

We've never seen Fred Flinstone look quite like this before!

The sisters rocked out as another iconic sibling trio: Hanson!

Don't mess with these Street Fighters!

"Sleeping Beauty was woke last night," the model said of her bright pink costume on Instagram.

Champagne Papi's costume didn't fall far from the tree! Drake dressed up as his father, Dennis Graham, for a party at Poppy in West Hollywood. True to form, his dad turned up in a nearly identical outfit, though the Candian rapper wrote on Instagram that it was "not planned."

JWoww transformed so completely into her BFF Snooki, we had to do a double take! "Partyssssssss here ??? happy Halloween," the Jersey Shore Family Vacation star wrote of her look, which included a stuffed alligator doll, oversized sunglasses, leopard print shirt, jar of pickles and unicorn slippers. Snooki was thrilled about the costume, commenting, "I AM SCREAMING I KNEW YOU WERE INLOVE WITH [ME] ?????????."

The mother of three shared a clip to Instagram of herself giving a commencement address at Denison University, in which she shares her Halloween wisdom with students, saying, "When it comes to Halloween costumes, go funny over sexy, why would you dress like a flirty nurse when you could be a mailbox?" Garner's Instagram vid then cuts to her heading out her front door dressed like a mailbox. She captioned the masterpiece, "Live your truth, people. Happy Halloween. ?."

Just don't call her name three times! The This Is Us star rose from the grave as Beetlejuice.

McCain and Behar may have done their fair share of arguing on The View this week, but they were in full agreement when it came to what to dress up as this Halloween: the twins from The Shining. "Come play with us.... #Halloween2019 #eviltwins #TheShining," McCain captioned a pic on Instagram as they posed with their co-host, Hostin, who was done up as Pennywise.

The journalist paid tribute to the late Diahann Caroll, dressing up as Dynasty's Dominique Deveraux during the Halloween episode of her Tamron Hall Show.

Momoa turned in his Aquaman tights in exchange for an Elvis costume -- complete with a sparkly pink jumpsuit, dark wig and gold-framed sunglasses -- while impersonating the King on the Ellen DeGeneres Show.

The actress took her name very seriously, doubling down with a Harley Quinn costume. "Happy Halloween puddin!" she wrote on Instagram, tagging the post in "Arkham Asylum, Gotham City."

The comedian dressed up as his Jumanji: The Next Level co-star's now-iconic high school photo, and it is our new everything.

If it wasn't for her signature high pony, the "Don't Call Me Angel" singer would be completely unrecognizable! Grande, a big Twilight Zone fan, channeled the show's 1959 episode, "Eye of the Beholder," which provides commentary on what is and isn't deemed beautiful by conventional standards. In the episode, a woman named Janet is discouraged by her failed treatment to become beautiful, which in her society is actually the pig-like face that Grande sports as a costume. "Final procedure was a success," she wrote alongside an eerie black-and-white photo showing off her prosthetics. 

Double trouble! The cast of Betrayal celebrated Halloween on Broadway, with Cox and Hiddleston dressing up as each other's Marvel characters. Hiddleston tried his hand at being Daredevil, while Cox went dark as Loki.

She woke up like this! The Jersey Shore Family Vacation star started her morning off as Scream's Ghost Face Killer. "How I greeted my kids for breakfast today. What a sin they had no idea who I was. #CoolMom," she wrote on Instagram.

"'Happy Halloween Mr President' ??? Recreating an iconic Marilyn Monroe look has always been a dream of mine," the Canadian model shared in part of her spot-on Old Hollywood hair and makeup. "My obsession runs deep ???."

The talk show host played ringleader of Wendy's Halloween Circus.

Disco fever! The morning talk show host went all in as John Travolta in Saturday Night Fever. See even more groovy looks from the Today show and Good Morning America hosts here.

She's got the bend and snap down! The Keeping Up With the Kardashians star was so dedicated to the role of Elle Woods from Legally Blonde that she sported two iconic outfits from the 2001 film and even made her own Harvard video essay.

The 61-year-old talk show host didn't disappoint in her annual spooky episode of the Ellen DeGeneres Show, stepping onto the stage as "Cardi E." "Before we start, I want to say my eyes are up here. My boobs are everywhere else," she quipped. "My costume this year is a tribute to Cardi B's character in the movie Hustlers... E is for Ellen. It's also my bra size." DeGeneres, who has channeled the Kardashians and Nicki Minaj in the past, joked about her risqué Halloween looks, saying, "Every year they try to make it sexier than the year before. I'll know it's time to stop doing the show when they send me out in two coasters and a dinner napkin." She was then joined by the real Cardi B, who admired the tribute. She even squeezed one of DeGeneres' new boobs, joking, "I like that yours are softer than mine. I should be mad at my doctor!" 

Disney never saw this version of Ariel coming! We fear the poor unfortunate soul who didn't want to be part of Jenner's Little Mermaid world. 

The Live With Kelly and Ryan co-hosts sported quite a few costumes for their annual Halloween show, but we were partial to their Barbie and Ken costumes. They posed for a pic in doll attire with Penn, who was dolled up as Taco Belle of the Ball.

The pop star had the best day as an octopus while hosting Jack Daniel’s Tennessee Apple's "Raising Hell, Raising Spirits" event at the Houdini Estate in Hollywood. 

The rapper has run through quite a few Halloween costumes this year, including a vampire, Edward Scissorhands, Joker, and this unique mashup, "Rockabilly Frankenstein."

The Halloween queen and her beau went through a slew of Halloween looks this year, including this couples costume as the Nightmare Before Christmas' Sally and Jack Skellington.

The couple took on the roles of another power couple: Beyonce and JAY-Z. Specifically, Ciara and her husband suited up as the singers' looks from their "Apesh*t" music video.

The rapper just gave us the ultimate throwback! "WOW?? This Halloween I decided to RECREATE my 1st album cover from 22 YEARS AGO one of these pictures I took ONLY 3 DAYS AGO the other was 22 YEARS AGO CAN YALL TELL THE DIFFERENCE?? ?????#SUPADUPAFLY," she wrote of her Supa Dupa Fly album cover recreation. Her debut studio album dropped in July 1997.

Pokemon power! "The champ is here ?," the R&B singer announced while showing off her Ash Ketchum getup.

Another day, another costume! Hilton kicked a leg up in her sailor attire as she arrived at a star-studded private party in Hollywood.

 The model turned into a real-life doll, and we can't get over it!

There's a very good chance no one else can wear a Pennywise costume after seeing Lovato slay like this! The "Sober" singer was clowning around at her 4th annual Halloween party at sbe hotspot Hyde Sunset, where guests enjoyed Umami Burger and Sugar Factory.

The Keeping Up With the Kardashians star and her BFF, Stassie Karanikolaou, slipped into their second outfits of the Halloween season: Playboy bunnies.

"Macho Man knocked up Jessica Rabbit for Halloween," the pregnant model joked of her and husband Justin Ervin's costumes, with Graham's skintight red latex dress clearly showing off her baby belly.

If you didn't already know that the Riverdale star loves Rick and Morty, here's all the proof you'll need! "*pickle rick voice* I’M SEXY RICKKK (and yes that’s glitter on my chin for his ~iconic~ drool)," Mendes shared on Instagram.

The "Push" rapper matched a long, pin-straight red wig to her sexy nurse costume for her performance during iHeartMedia's Power 105.1's Powerhouse 2019 concert at the Prudential Center in Newark, New Jersey.

Forget bye, bye, bye -- this is yes, yes yes! Though Biel has previously mentioned that she wasn't an *NSYNC fan when she was younger, that didn't stop her from dressing up as her former boy band husband for the annual Casamigos Halloween party. As for Timberlake, he went as a microphone, making this one of the best musical couples costumes we've ever seen! 

Billie Eilish is already a very popular costume choice among celebs this year!

The Real Housewives of Beverly Hills stars went full diva at the Casamigso fête when she portrayed Jennifer Lopez's now-iconic green Versace dress look.

The "Addicted" rapper was on-theme at his "Mamacita of the Dead" Halloween party at Yamashiro Hollywood.

Jeannie and a disco queen made the rounds at the Casamigos soiree.

Beautiful people! The "Nightmare" singer was all cheekbones and creepy contacts as Marilyn Manson.

They're creepy and they're kooky! The RuPaul's Drag Race judge dressed up as Morticia Addams to her Strictly Come Dancing partner's Gomez. 

The Gossip Girl alum turned up to the 9th Annual Trick or treats! Halloween Party with Absolut Elyx and Honey Birdette at No Vacancy as a zombie paperboy.

The BFFs couldn't stop giggling as they danced around and even shared a quick peck on the lips as they channeled Britney Spears and Madonna's 2003 MTV Video Music Awards performance.

"Just a Pilot on a flight for love .. will probably crash into a windmill tonight," the Bachelor alum wrote of his pilot costume, trolling new Bachelor Peter Weber with his caption.

Is there any Disney villain more appropriate than Maleficent for a night out in Sin City?

That's not Audrey Hepburn and Elton John scouring for snacks at the supermarket, but rather Beckinsale and her pal, Jonathan Voluck.

They got you, babe! The Twilight star and her hairstylist pal, Joseph Chase, took a trip back in time as Sonny and Cher.

For FX's American Horror Story 100th episode celebration at L.A.'s Hollywood Forever Cemetery, Bates got into the spooky spirit as a wolverine. 

"If I had to wear a costume every day I wouldn’t be mad about it," the former Girls Next Door star admitted while showing off her Harley Quinn ensemble with a mirror selfie.

"tfw when you dress up as your dad for halloween," the Chilling Adventures of Sabrina star joked of her devil attire. 

We think Uma Thurman would have been quite happy with this interpretation of her Kill Bill character, the Bride. 

"It’s alll grooovy, baby. HAPPY HALLOWEEN ?," the Dancing With the Stars competitor wrote of her and her boyfriend, Benjamin Sonse's, '70s attire.

Now this is dedication! The Spice Girl rode an actual horse while posing as Peaky Blinders' Tommy Shelby.

Go Clovers! The L.A.'s Finest star and her 11-mont-old daughter, Kaavia, twinned for Halloween, dressing up as Union's Bring It On character, Isis. 

Full circle! Willis' dad, Bruce Willis, starred in the Fifth Element in 1997, and 22 years later, his daughter portrayed the role of Leeloo for Halloween.

The Black-ish star is committed to themes! For Gabrielle Union's "California Love"-themed Halloween bash, Ellis Ross drew on facial hair to complete her DJ Quik costume. She even got a blessing from West Coast rap icon Snoop Dogg!

The rapper was unrecognizable in his Edward Scissorhands costume at Marquee New York's annual "Night of the Fallen" Halloween party.

The makeup queen joked that he and his brother went "OGRE-board" as Fiona and Shrek.

"70s disco queen on set ✅ I’m always working on Halloween ?," Thorne wrote on Instagram.

The YouTube star threw back to the early aughts as a blinged-out Paris Hilton.

The rapper and her hubby went for villainous vibes as Suicide Squad's Joker and Harley Quinn.

Truth, justice and One Direction! The "Stack It Up" singer smoldered as Clark Kent at the KISS Haunted House Party 2019.

The Vampire Diaries alum and her pal, Lane Cheek, chose a major 2019 pop culture moment for their costumes: Gigi Hadid escorting prankster Marie S'Infiltre off the Chanel runway during Paris Fashion Week.

The English singer was a dead ringer for Billie Eilish at the same London bash, complete with a neon green faux Chanel outfit, crazy long matching nails, a black wig, bandana and air cast for her leg.

Off with her head! Lovato went all out with her Marie Antoinette attire. "Halloween round 1... I told y’all I don’t play on Halloween!! It’s my time to shine ?✨," she wrote on Instagram. "Glam team killed it ???? @etienneortega & @paulnortonhair ???."

By the power of Grayskull, the hotel heiress threw down at her #ELECTRIFY-themed Halloween party in Beverly Hills.

For Paris Hilton's Halloween party, held at a private mansion in Beverly Hills, the Soundflowers duo dressed up as Scooby-Doo and Shaggy.

That makeup! The TV personality dressed up as a sexy clown (who wears plaid button-ups?) for Paris Hilton's Halloween bash. 

The YouTube makeup influencer and the Victoria's Secret Angel were both seeing pink, with Perkins channeling Barbie while Tookes returned to a costume she wore back in 1991: a Power Ranger!

For the same soiree, the Australian model dressed up as Catherine Zeta-Jones' Elena Montero from 2005's The Legend of Zorro.

The queen of Halloween and her husband packed on the PDA while dressed up as literal fireworks.

The YouTube makeup star is dedicated to cosplaying this Halloween season, so for Dan Bilzerian's 2nd Annual Halloween Party in Los Angeles, Dragun and her pals dressed up as Mortal Kombat's Jade, Kitana and Sindel.

A Disney villain at work! The influencer might give Angelina Jolie a run for her money in this Maleficent costume. 

The Big Little Liars star and her sister, Antonia, celebrated the spookiest holiday of the year a little early. "Early #Halloween party with my sis and our families ??," Kidman captioned a selfie of herself as a German barmaid while her sister donned a skeleton costume.

Up, up and away! The Property Brothers star and his wife took on the roles of Russell and Carl from Up at the Costumes for a Cause Gala in Hollywood.

The Real Housewives of New Jersey stars anchored themselves at the Fright Nights Halloween costume party at the Coconut Creek Casino in Florida. Giudice played the role of a queen, while the Gorgas opted for his-and-her sailor outfits.