Must-See Star Sightings

The “Confident” singer performed the National Anthem ahead of Game Four of the World Series between the New York Mets and Kansas City Chiefs on Oct. 31 in Queens, New York. Lovato looked like a true rockstar inside Citi Field, where she sported bright red leather pants and a gold-studded jacket.

The 31-year-old royal looked dapper, sporting some scruff and a gray pullover, at Buckingham Palace in London on Oct. 31, 2015. Prince Harry helped welcome a group of Afghanistan veterans home after they completed a 1,000-mile trek from Scotland to London for charity.

The 36-year-old actress stunned in a fitted white suit and jacket with a plunging neckline at the 29th American Cinematheque Awards in Los Angeles. Hudson helped honor award recipient Reese Witherspoon at the star-studded event, which was held at the Hyatt Regency Century Plaza on Oct. 30, 2015.

The Mortal Instruments actress turned heads on the Britannia Awards black carpet in Beverly Hills. She rocked a Halloween-esque edgy dark lip that complemented her satin burgundy suit to the event at The Beverly Hilton Hotel on Oct. 30.

The comedian posed on the red carpet at the Britannia Awards in Beverly Hills, California on Oct. 30.

The Voice coach sparkled and shined at the 2015 UCLA Neurosurgery Ball at the Beverly Wilshire Four Seasons Hotel on Oct. 29.

The costume-loving talk show hosts paid homage to a slew of old and new pop icons for their LIVE! with Kelly and Michael Halloween special on Oct. 30, but the Luke Skywalker and Princess Leia get-ups were two of their best.

Mother Monster performed in a very demure style during amfAR's Inspiration Gala Los Angeles at Milk Studios on October 29 in Hollywood, California.

Hunter rocked out at the iHeartRadio Theater in Los Angeles on Oct. 27. The 24-year-old performed his new and old hits, and unveiled a few never-before-heard tracks off his upcoming album, The 21 Project.

The super cute celebrity couple, dressed to the nines, looked loving and adorable at amfAR's Inspiration Gala at Milk Studios in Hollywood, California on Oct. 29, 2015.

Modern Family's Sarah Hyland and Barely Lethal star Jaime King were all smiles as they embraced warmly at amfAR's Inspiration Gala at Milk Studios in Hollywood, California on Oct. 29, 2015.

The Sports Illustrated swimsuit model covered up in an all-black ensemble, including a rockstar-worthy leather jacket, while out in New York City's SoHo neighborhood on Oct. 29.

Bradley Cooper stopped to snap selfies with his fans at the Burnt European premiere at the Vue West End on October 28 in London, England.

The gorgeous "Feel the Light" singer brought her sexy, shimmering style to her explosive performance during the Mega 97.9 Megaton Concert at Madison Square Garden in New York City on Oct. 28, 2015

The co-stars were all laughs as they attended a photocall for their movie, Burnt, in Rome on Oct. 28, 2015.

Joe Jonas was pretty much killin' it in a shiny gold jacket on Oct. 24, performing "Cake by the Ocean" with his band DNCE at the Saint John’s Health Center 2015 Caritas Gala in Beverly Hills, California. DNCE dedicated their performance to honoree Wendy Goldstein, Executive VP and head of Urban A&R at Republic Records.

Drew Barrymore looked like she might never leave The Tonight Show starring Jimmy Fallon after she was seated in a comfy recliner and covered in puppies during her visit on October 27 in New York City.

Diane Lane and Bryan Cranston stayed close on the red carpet at the premiere of their new biopic Trumbo -- in which they play husband and wife – at the Samuel Goldwyn Theater in Beverly Hills, California on Oct. 27, 2015.

The Duchess of Cambridge was all about flower power at the 100 Women In Hedge Funds Gala Dinner in London on Oct. 27, wearing a red, blue, and white floral gown that looked so shiny and regal!

Gwyneth Paltrow and Kate Hudson made some show-stopping fashion statements when they showed up at the 2015 InStyle Awards on Oct. 26 in Los Angeles, California.

The stunning couple smiled on the red carpet at the Hollywood premiere for Our Brand is Crisis in Los Angeles, California on Oct. 26.

The singer looked the part of a suave super spy at the Spectre premiere in London, England on Oct. 26.

The supermodel shows off her growing baby bump in a crop top as she picks up some healthy food in West Hollywood on Oct. 25.

Jamie Chung and Michael B. Jordan attend Absolut Electrik House, an epic house party with a surprise performance by Empire of the Sun on Oct. 23 in Los Angeles, California.

Glee star Heather Morris keeps warm in her Madden Girl for Kohl`s military jacket, while picking up a pumpkin in LA.

John Travolta and wife Kelly Preston celebrate her birthday at the iconic Rainbow Room at the top of 30 Rock in New York City.

Madonna's style paid tribute to slain rapper Tupac Shakur when she hosted an after party for her Rebel Heart concert tour stop on October 25 at Marquee Nightclub located in The Cosmopolitan of Las Vegas.

Country Music’s cutest couple performed together at the Country Music Hall of Fame 2015 Medallion Ceremony in Nashville, Tennessee on Oct. 25, 2015.

The "What Do You Mean?" singer blended in with the red carpet -- decked out in a vermilion t-shirt, a crimson hoodie and scarlet slacks -- outside the MTV EMAs at the at the Mediolanum Forum in Milan, Italy on Oct. 25, 2015.

The stunning 28-year-old model and Transformers: Dark of the Moon star looked breathtaking in a cream colored gown, which showed off her famous legs, at the Environmental Media Association Awards at Warner Bros. Studios in Burbank, California on Oct. 24, 2015.

The Orange Is the New Black star turned heads in a black satin Armani Prive pantsuit with a plunging neckline on the red carpet for the MTV Europe Music Awards, which were held at the Mediolanum Forum in Milan, Italy, on Oct. 25, 2015. Rose co-hosted the star-studded show -- which included performances by Justin Bieber, Pharrell Williams and Ellie Goulding -- with Ed Sheeran.

In a rare appearance, Ashley Judd had a Girls Night Out with her mother and sister, Naomi and Wynonna Judd, on Oct. 23, 2015. The girls celebrated Naomi and Wynonna's nine-show residency at The Venetian Las Vegas, which ended Saturday night. "This is our first time singing together in five years," Wynonna told ET last month.

The stylish Smith family dressed to impress when they stepped out to celebrate the 30th birthday of Balmain's creative director, Olivier Rousteing, at a private residence in Los Angeles on Oct. 23, 2015. The trio partied alongside a ton of fellow A-listers, including many of the Kardashian-Jenner ladies, Kate Hudson, Justin Timberlake, Jessica Biel and Mary J. Blige.

Neil Patrick Harris and Rachael Ray tested out the merchandise at GBK's Wine & Food Festival Celebrity Gift Lounge on Oct. 17th in New York City.

The adorable couple went all out posing with fans at the GLSEN Respect Awards in Beverly Hills, California on Oct. 23.

The reality star and "momager" grinned on the red carpet at Brian Atwood's Celebration of PUMPED in Los Angeles, California on Oct. 23.

The 32-year-old singer-songwriter wows the crowd while performing on NBC's Today show at Rockefeller Plaza in New York on Oct. 23.

Justin Bieber hammed it up for the cameras when he arrived to the world premiere of Ed Sheeran's concert movie, Jumpers For Goalposts, at Odeon Leicester Square on October 22 in London, England.

The "Boom Clap" singer hit the stage on Oct. 22 in celebration of her collaboration with Boohoo.com fete. The party took place at Villian in Williamsburg, Brooklyn. Joe Jonas was also there to DJ the event. 

The couple smiled on the red carpet at the 2015 Fashion Group International Night Of Stars Gala in New York City on Oct. 22.

The actors were spotted in vintage attire -- Kristen in a beautiful off-white dress and Jesse in a dapper gray suit -- on the set of an untitled Woody Allen movie in New York City on Oct. 21, 2015.

The married couple looked dashing when they stepped out in matching black ensembles for the CFDA/Vogue Fashion Fund Dinner with Perrier-Jouët at Bouchon Bistro in Beverly Hills on Oct. 22, 2015.

The 31-year-old royal looked dapper -- sporting some scruff and a navy suit decorated in medals from his 10 years of service in the armed forces --while leaving a service marking the 75th anniversary of Explosive Ordnance Disposal (EOD) across the British Armed Forces at St Paul's Cathedral in London on Oct. 22, 2015.

Sarah Silverman's slinky black dress is no joke. Wearing what could be her sexiest style ever, the comedian stepped out for the premiere of I Smile Back at ArcLight Cinemas on October 21 in Hollywood, California.

The country star looked stunning at Almay's Fresh-Faced Beauty Day in New York City on Oct. 21.

The singer-songwriter belted out a melody for the crowd at the TIDAL X: 1020 concert at Barclays Center in New York City on Oct. 20, 2015.

The effortlessly stunning "Drunk in Love" singer looking drop-dead gorgeous in a burgundy gown -- featuring a deep, plunging neckline and a high slit that showed quite a bit of skin -- which she wore on the red carpet before performing at the Tidal X 1020 concert at Barclays Center in New York City on Oct. 20, 2015.

Kendall sported a whole heap of fur, while Kylie rocked thigh high boots as the sisters hit the gusty streets of NYC on Oct. 20.

Late-night host and die-hard Mets fan Jimmy Kimmel did a pretty good job at throwing out the ceremonial first pitch at the New York Mets versus Chicago Cubs playoff game in Queens, New York on Oct. 19.

The Furious 7 and Game of Thrones stars smiled at the red carpet premiere of their film, The Last Witch Hunter, in London, England on Oct. 19.

The 28-year-old actress is ready for winter as she leaves her New York City hotel in a cozy Peuterey jacket on Oct. 19.

The 23-year-old "Good For You" singer got into the Halloween spirit, hanging out with ghastly ghouls and maniacal monsters at Knott's Scary Farm in Buena Park, California on Oct. 17, 2015.

The GOP presidential candidate stopped to pose with some fans at the Gennady Golovkin vs. David Lemieux fight at Madison Square Garden in New York City on Oct. 17.

The Hills star toasted her guests with Martini & Rossi at her bridal shower in Los Angeles on Oct. 16.

The Crimson Peak actress was appropriately ravishing in red in New York City for her appearance on The Late Show With Stephen Colbert on Oct. 16.

The actor was spotted filming on the set of '70s film The Deuce in New York City on Oct. 16.

Joe Jonas must be taking style cues from his model girlfriend Gigi Hadid, because he showed up wearing a leopard-print jacket to the Disaronno Wears Cavalli global launch event on Oct. 15 at Milk Studios in New York City.

The 36-year-old Rock the Kasbah star looked stunning in a super-cute black-and-white floral print dress on the red carpet outside the God's Love We Deliver Golden Heart Awards in New York City on Oct. 15, 2015.

The singer was spotted filming with The Late Late Show host James Corden in West Hollywood, California on Oct. 15. 

Jennifer Aniston was either really cold when she was spotted out in New York City, or she wanted to go unnoticed. The newlywed packed on the accessories and clothing before stepping out of her hotel room on Oct. 14.

The Crimson Peak star posed at the film's New York premiere on Oct. 14.

The Leftovers star Liv Tyler and fashion model Alexa Chung looked stunningly flawless at the star-studded opening night gala for Bulgari & Rome: Eternal Inspiration at Bulgari Fifth Avenue in New York City on Oct. 14, 2015.

The Being Mary Jane star smiled at AOL Studios in New York on Oct. 14.

Kate Hudson stepped out in a billowy, floral frock that showcased a lot of leg. The actress was in good spirits as she posed at La Mer Celebrates 50 Years of an Icon event at Siren Studios on Oct. 13 in Hollywood, California.

The Lobster co-stars posed on the red carpet at the BFI London Film Festival screening of their movie on Oct. 13.

Khloe and Kourtney Kardashian seemed to have forgotten to tell their sister Kim to smile when they posed in their all-black outfits at Cosmopolitan Magazine's 50th Birthday Celebration at Ysabel on Oct. 12 in West Hollywood, California.

The Affair star posed on the purple carpet at PaleyFest New York on Oct. 12.

The singer looked stunning in a low-cut black ensemble when she performed at the Today show on Oct. 12.

Olivia Wilde looked gorgeous when she stepped out in a red and white dress for the premiere of Meadowland at Sunshine Landmark on October 11 in New York City.

The 26-year-old actress looked classy and gorgeous in a sleeveless, dark blue dress while answering fan questions at a Pretty Little Liars Q&A during PaleyFest New York at The Paley Center for Media in New York City on Oct. 11.

Just in time for Halloween, the married couple looked extra gothic as they walked a red carpet in England on Oct. 11. Heard and Depp traveled over the pond for a screening of the actor's latest film, Black Mass, at the BFI London Film Festival.

The Duchess of Cambridge had a laugh at an event held by the charity Mind at Harrow College in London on Oct. 10. Middleton and her husband, Prince William, spoke with volunteers and other young people in an effort to help lessen the stigma surrounding mental illnesses.

The A-list actresses, both dressed in classic tea-length frocks, banded together at Variety's Power of Women Luncheon at the Beverly Wilshire Four Seasons Hotel in Beverly Hills on Oct. 9.

Ricky Martin brought down the house with his incredible performance at Madison Square Garden on Oct. 9 in New York City. 

Not taking the red carpet (or should we say blue carpet) too seriously, Pink flashed a toothy smile while she posed at the Autism Speaks to Los Angeles Celebrity Chef Gala on Oct. 8 in Santa Monica, California.

The Trumbo co-stars smiled together at the Accenture Gala for their film during the BFI London Film Festival in London, England on Oct. 8.

Kris Jenner looked like a woman in love as she smiled for cameras at LAX alongside her boyfriend Corey Gamble on Oct. 7. The two were heading home after a trip to Paris, France.

The 27-year-old singer celebrated the reveal of the artwork for her upcoming album Anti at MAMA Gallery in Los Angeles on Oct. 7, 2015.

Looking dapper (and oh-so-bearded), Prince Harry! The 31-year-old royal visited the Paignton Rugby Club in Devon, England, on Oct 7. 2015, to present the team with an Gold Standard Facilities Award from the Rugby Football Union. Harry is patron of RFU's All Schools legacy program, which works to increase community involvement and opportunities for young people to enjoy the sport.

Miranda Lambert got a little support from singer Dierks Bentley, who was voted Country Music's Hottest Guy this year, during her Nashville Music City Walk of Fame ceremony on Oct. 6 in Nashville, Tennessee. Lambert looked stunning in her BCBG Josef lace cutout jumpsuit.

Nothing but shine! Reese Witherspoon was all smiles as she stepped out looking gorgeous and casual in Los Angeles on Oct. 6.

The model looked runway ready going to dinner at La Reserve restaurant on Oct. 6 in Paris.

Lady Gaga looked more like a rock star than a pop star when she showed up at JFK Airport in New York on Oct. 6.

The 49-year-old supermodel looked striking and flawless in a hot pink, sleeveless jumpsuit at a book signing and Q&A for her new book Becoming at Miami Dade College in Miami, Florida on Oct. 5, 2015.

The 53-year-old actress was seen all bundled up for a stroll in New York City on Oct. 4, wearing an overcoat and scarf along with a pair of elegant sunglasses.

The two-time Oscar winner rocked a classy silver suit and matching grey fedora on the red carpet outside the premiere of his upcoming espionage drama Bridge of Spies at the 53rd New York Film Festival at Lincoln Center in New York City on Oct. 4, 2015.

Co-stars Hugh Jackman and Levi Miller were all smiles on the red carpet at the premiere of their family fantasy film Pan at Ziegfeld Theater in New York City on Oct. 4, 2015.

The two actresses stunned in shimmery silver-and-black outfits at Teen Vogue's 13th Annual Young Hollywood Issue party in Beverly Hills on Oct. 2, 2015.

If her t-shirt speaks the truth, the High School Musical star was at Knott's Scary Farm "for the boos." Hudgens, who's a big fan of Halloween and has visited the theme park in Buena Park, California, for years, hung out with some spooky new friends on the black carpet on Oct. 1, 2015.

Dazzling in Dior! RiRi totally rocked it at the Christian Dior show during Paris Fashion Week on Oct. 2 in a pink cape dress and matching black pants and boots.

Vanessa Hudgens really dressed the part of a scared patron when she hit the Knott's Scary Farm black carpet on Oct. 1. Her shirt reads: "I'm just here for the Boos."

The 33-year-old British actor was snapped on the second tee during the first round of the 2015 Alfred Dunhill Links Championship at The Old Course in St. Andrews, Scotland on Oct. 1.

The Gotham star shot photographers an over-the-shoulder smirk as she arrived at the Rick Owens Spring/Summer 2016 runway show in France on Oct. 1, 2015. The 44-year-old actress showed off her amazing figure at the Paris Fashion Week presentation in a sporty cut-out cropped tank with chain embellishments and black leather pants.

How To Get Away With Murder star Matt McGorry suited up for To Boot New York and its designer Adam Derrick's private dinner party at the elegant Bar Marmont in Los Angeles, California on Oct. 1.