Must-See Celeb Sightings: August 12-18, 2019

The Avengers: Endgame star took a stroll through Byron Bay while home in Australia on Aug. 18.

Classic American girl! Holmes stepped out in New York City on Aug. 18 in a black-and-white striped dress topped with a long denim jacket.

White hot! The Aquaman actress put her best foot forward as she enjoyed a dinner date with a pal at the Japanese restaurant Matsuhisa in Beverly Hills on Aug. 18.

The Fuller House star was in an upbeat mood while shopping with a friend at a farmers market in Studio City, California, on Aug. 18.

By the power of Grayskull, Silent Bob shared in the enthusiasm of He-Man's return, courtesy of Netflix's Masters of the Universe, at the 2019 Power-Con in Anaheim, California, on Aug. 18.

The newlywed looked chic in a downtown cool black ensemble at the Vocal Star music seminar in Hollywood on Aug. 18.

The Art of Racing in the Rain actor suited up for the American Cancer Society's California Spirit 34 Food and Wine Benefit at Sony Pictures Studios in Culver City, California, on Aug. 18.

Oh mama, those guns! Pitbull showed off his biceps alongside a pair of impressive artistic ones at GRIT BXNG in New York City on Aug. 18.

A total heartbreaker! The R&B icon was all smiles as she set out to enjoy her evening in New York City on Aug. 17.

Paying tribute to another starlet! The pregnant actress wore a vintage Britney Spears tee out to breakfast in Los Angeles' Los Feliz neighborhood on Aug. 17.

The "Boyfriend" singer kicked back onstage at the O2 Arena, which served as the London stop of her Sweetener World Tour on Aug. 17.

The former late-night talk show host was as sunny as the season as she stepped out in Los Angeles on Aug. 17.

Dueces! The Westworld star threw up a peace sign while attending Cinespia's 9th Annual Movies All-Night Slumber Party at the Hollywood Forever Cemetery in L.A. on Aug. 17. Over 4,000 people joined Paul for the triple feature of Never Been Kissed, I Know What You Did Last Summer and Jawbreaker.

The Hills: New Beginnings star took over the DJ booth at TAO Beach at The Venetian in Las Vegas on Aug. 17, even playing Natasha Bedingfield's "Unwritten," the theme song that opens both The Hills and its reboot.

The Victoria's Secret Angel was joined by the Bachelor in Paradise star in Las Vegas on Aug. 17, where VS' new fall collection debuted at The Forum Shoppes at Caesars Palace.

Rocking workout gear, the couple held hands as they took a stroll in Los Angeles on Aug. 17.

The rock star gave an intimate performance with his band, Aerosmith, at Borgata Hotel Casino & Spa on Aug. 17 in Atlantic City, New Jersey.

Move over, 007! Jonas celebrated turning 30 by throwing an elegant James Bond-themed birthday bash at Cipriani Wall Street in New York City on Aug. 16. The birthday boy looked dapper in a white tux jacket, black pants and bow tie as he arrived at the venue with his wife, who looked stunning in a sexy navy Alexandre Vauthier gown with a thigh-high slit.

A pastel-clad Jonas wielded a black fanny pack as he headed out to meet friends in New York City on Aug. 16.

The Kylie Lip Kit creator had the baby blues as she continued her Mediterranean yacht tour, making a stop in Monte-Carlo on Aug. 16.

The Guardians of the Galaxy star left his Los Angeles workout spot in all-black gear on Aug. 16.

The 28-year-old actress looked like a classic beauty as she visited the Kate Somerville boutique on L.A.'s famed Melrose Place in a green checkered dress on Aug. 16. She paired the frock with lilac block heels and a wicker purse.

The Chicago rapper went through a slew of outfit changes during his Good Morning America performance on the SummerStage at Rumsey Playfield in NYC's Central Park on Aug. 16. Through the energetic appearance, he still took time out to appreciate his fans.

The Orange Is the New Black star vamped it up to celebrate National Rum Day on Aug. 16, partying with five rum brands, including BACARDÍ Premium, at Las' Lap in New York City.

Willow and Jaden's mama cut a stylish figure at a photocall for Angel Has Fallen in Beverly Hills on Aug. 16.

The birthday boy sweetly gave his wife a kiss on the hand as they strolled through New York City on Aug. 16. Jonas turned 30 one day prior. 

Family affair! Little Luna joined her famous parents at mom's Quay x Chrissy Teigen launch event at The London West Hollywood on Aug. 15.

The "IDGAF" singer showed off both her abs and '90s style as she left Catch One in L.A. on Aug. 15 where she and boyfriend Anwar Hadid caught Mark Ronson's DJ set.

So happy! The "It All Comes Out in the Wash" singer and her hubby both wore shades of pink as they held hands en route to dinner in New York City on Aug. 15.

Just living her best yacht rock life! The Keeping Up With the Kardashians star showed off her figure in a mint green thong bathing suit as she continued her European birthday trip on Aug. 15.

The Welsh actor snapped selfies with fans at the Japan premiere of Rocketman in Tokyo on Aug. 15.

The Avengers: Endgame star was in an upbeat mood after a workout with his wife, Katherine Schwarzenegger (not pictured), in Los Angeles on Aug. 15.

Looking quite handsome in a blue suit, the Angel Has Fallen actor had a laugh with fans after an appearance on Jimmy Kimmel Live! on Aug. 15.

So '80s! The On Becoming a God in Central Florida actress looked tulle cool during a busy press day in New York City on Aug. 15.

The stylish actress-model wore pale hues for a perfectly put-together summer look during lunch in Beverly Hills on Aug. 15.

The Marvel mama was spotted out and about in Los Angeles' Los Feliz neighborhood on Aug. 15.

The Long Shot star pointed fingers during a Drunk History live reading at The Montalban in Hollywood on Aug. 15.

The country music legend looked as happy as the crowd at his second dive bar show at Buck Owens' Crystal Palace in Bakersfield, California, on Aug. 15.

The "Alive" rapper got wild ahead of his performance at novelle, the ultra-lounge inside Mohegan Sun, in Uncasville, Connecticut, on Aug. 15. 

The 24-year-old model led her girl gang to a nail salon in New York City's SoHo neighborhood on Aug. 14.

The "Press" rapper played with her Ariana Grande-esque ponytail during a night out in West Hollywood on Aug. 14, where she sported a low-cut, long-sleeved cropped white top, matching thigh-high boots and a cow-print skirt.

The America's Most Musical Family judge brightened up the streets of Los Angeles in a coral anorak and track suit set by Daniel Patrick and white boots on Aug. 14.

Clad in a square-neck long-sleeved black shirt and tweed Maje midi skirt, the High School Musical star humored a pal after they grabbed iced coffees to-go in Los Angeles on Aug. 14.

Mad about plaid! The Red Table Talk co-host was a magical metallic mama for her CBS Studio appearance in New York City on Aug. 14.

The Leftovers alum rocked a Ratt band tee while walking his dog, Kuma, through New York City's Washington Square Park on Aug. 14.

The talented writer-actress giddily spoke onstage during a Mean Girls live appearance and creative conversation in Philadelphia on Aug. 14.

The adorable dudes looked quite dapper at the Good Boys premiere in Westwood, California, on Aug. 14.

The actresses embraced at the 2019 Industry Dance Awards at Avalon Hollywood in L.A. on Aug. 14.

The Betrayal star greeted fans after the first public preview of his Broadway play in New York City on Aug. 14.

The rapper held court during the Roc Nation and NFL Partnership announcement at his company's New York City headquarters on Aug. 14.

The rappers hit the stage at the Shoreline Amphitheatre during the Mountain View, California, stop on the Royalty Tour on Aug. 14.

The cute couple enjoyed a rare public date night at the L.A. premiere of Bennett's War in Burbank, California, on Aug. 13.

RiRi looked incredibly chic in a long-sleeved taupe Nanushka dress, strappy sandals and vampy red lipstick while out to dinner with her mom at Mason restaurant in Santa Monica, California, on Aug. 13.

The This Is Us star stunned at NBC and Universal Television's Emmy nominee cocktail party at Tesse Restaurant in West Hollywood on Aug. 13.

Looking good! The Welsh actor arrived at Tokyo's Haneda Airport ahead of the Japan premiere of Rocketman on Aug. 13.

Big mood! The actress-dancer struck a pose on the red carpet at the America's Got Talent Season 14 live show in Hollywood on Aug. 13.

The actresses shared a laugh at InStyle's Badass Women Dinner, with Foster Grant, at The London West Hollywood on Aug. 13.

The new Thor took her dog for a walk in Los Angeles on Aug. 13.

The Olympic gold medalist looked quite suave while out in Los Angeles on Aug. 13.

The former Disney darling rocked yet another Chanel look at a book signing for her tome, The Life of a Wannabe Mogul, at a Barnes & Noble at The Grove in Los Angeles on Aug. 13.

The famous fathers supported their daughters at the premiere of the actresses' movie, 47 Meters Down: Uncaged, in Westwood, California, on Aug. 13.

The GLOW co-stars were together once again at a SAG-AFTRA Foundation Conversations event for their Netflix show in New York City on Aug. 13.

The Grand Hotel star was pretty in purple ahead of her appearance on Jimmy Kimmel Live! on Aug. 13. 

The Bachelor trio came together for the return of WE tv's Love After Lockup at The Whitby in New York City on Aug. 13.

The Masked Singer panelist stunned in Sydney, Australia, on Aug. 13.

Ray of sunshine! The GLOW star brightened up the Big Apple on Aug. 13.

The twins snapped a selfie after enjoying lunch together at Joan's on Third in Los Angeles on Aug. 13.

Stainless steel coffee mug in hand, the Honest Co. co-founder checked her phone as she headed into her Los Angeles office on Aug. 13.

Real men wear pink! The BH90210 star was looking good on Buzfeed's AM to DM in New York City on Aug. 13.

The Katy Keene actress was in rockstar mode in an Ozzy Osbourne tee, distressed straight-leg jeans and fuzzy sandals while out in Los Angeles on Aug. 13.

The Scottish actor flashed a smile as he exited the Bauer Radio Studios in London, England, on Aug. 13.

Viva México! The handsome actor looked dapper in layers of tan hues at the Mexico City premiere of Once Upon a Time... In Hollywood on Aug. 12.

Stormi's parents held hands as they shopped local stores in Portofino, Italy, on Aug. 12.

'80s baby! Blanchett and her epic royal blue puffy sleeves rolled into a New York City screening of Where'd You Go, Bernadette on Aug. 12.

The Friends star was spotted meeting up with her fiancé, Johnny McDaid, for a late lunch in downtown Manhattan on Aug. 12.

Nick, Kevin and Joe Jonas continue to look like they're having the time of their lives on their Happiness Begins Tour. They looked ecstatic onstage during their Atlanta stop at the State Farm Arena on Aug. 12.

The new mom donned a dramatic black-and-white bustier top with black pants and pointy silver heels for a night out in New York City on Aug. 12.

The Ready or Not star visited Build Studio in New York City to chat about his new film on Aug. 12.

Flowers for Troian! The Pretty Little Liars alumna carried her bouquet through New York City on Aug. 12.

Halloween in the summer! The husband-and-wife duo made an undead friend at the premiere of Syfy's Zombie Tidal Wave in North Hollywood on Aug. 12.

The 36-year-old comedienne had a laugh outside the Los Angeles set of Jimmy Kimmel Live! on Aug. 12.

As she left her New York City apartment separately from Bachelorette fling Tyler Cameron on Aug. 12, the 24-year-old model sported a black crop top, black '90s throwback pants with white piping and tri-colored sneakers. 

Pulling a (mini) Jared Leto! The actor-producer posed with a bobblehead-like statuette at the SAG-AFTRA Foundation Conversations with "Better Call Saul" event in Los Angeles on Aug. 12.

The Broadway star spoke at the Let California Kids Hear Campaign at The Grove in Los Angeles on Aug. 12.