Must-See Celeb Sightings: March 4-10, 2019

The Bad Moms star was all smiles at the premiere of her new animated comedy, Wonder Park, at the Regency Bruin Theatre in Los Angeles on March 10.

Her revenge bod was out in full force! The Good American designer rocked a long-sleeved fishnet bodysuit for a girls' night out in Las Vegas on March 10. Kardashian was in Sin City to celebrate BFF Malika and Khadijah Haqq's 36th birthdays.

Those candles might be a little hard to blow out! Wilde celebrated her 34th birthday at the after-party following the world premiere of her directorial debut, BOOKSMART, at the SXSW Film Festival in Austin, Texas, on March 10.

The Russian Doll star and co-creator looked too cool at a Create & Cultivate pop-up event in Austin, Texas, where she was the keynote speaker for the March 10 event.

The Goop founder put her specs on during the Vision Council's three-day eye health event during SXSW. 

The affable actor chatted onstage during the red carpet and reception for Netflix's A Series of Unfortunate Events in Los Angeles on March 10.

Vroom vroom! The supermodel adorned the hood of a race car at the ABB FIA Formula E HKT Hong Kong E-Prix on March 10.

No, you're having fun! Lourd threw her hands up at the BOOKSMART premiere during SXSW in Austin, Texas, on March 10.

The "Baby" singer held court during Pure Golden Hour, an evening of meditation and music hosted by Michelob ULTRA Pure Gold and the Big Quiet, during SXSW on March 10.

The co-stars had each other cracking up at the premiere of their new movie, Long Shot, during SXSW on March 9.

The actors hung out at Entertainment Weekly + Amazon Prime Video's Saints & Sinners Party for Good Omens during SXSW in Austin, Texas, on March 9.

The team behind Us made an appearance at the Comcast NBCUniversal House at SXSW in Austin, Texas, on March 9. 

The Texas native was surrounded by the leading ladies in his life -- wife Camila Alves and mom Kay McConaughey -- at the premiere of The Beach Bum during SXSW on March 9.

Polka dot darling! The Grown-ish star made a fashionable turn in playful olive green Marc Jacobs pants while out in New York City on March 8.

Do you think they planned their outfits? The duo was twinning in camel coats at a screening of Us at the Pacific Design Center in West Hollywood, California, on March 8.

The Tommy Hilfiger collaborator was walking tall in bright red platform kicks during a day out in New York City's Chelsea neighborhood on March 8.

The GRAMMY winner got the toy box treatment at Barbie's 60th Anniversary in New York City on March 8.

The fashion designer donned a sleek black look while hosting an International Women's Day breakfast with Farfetch at Annabel's in London, England, on March 8.

She loves a good coat with a message! The 22-year-old model rocked yet another long, white jacket, this time donning a patch-adorned Off-White one while out in New York City on March 8.

The pregnant royal cradled her baby bump after attending the Queen’s Commonwealth Trust's panel discussion marking International Women’s Day at King's College London on March 8.

Cartoon cuties! The ladies sat front row at the Christian Cowan x The Powerpuff Girls fashion show at Los Angeles' City Market Social House on March 8.

The 32-year-old singer hit the stage at Forever 21's International Women’s Day #ForeverFemale concert, powered by Afterpay, at El Rey Theatre in Los Angeles on March 8. 

Give it a twirl! The supermodel showed off her runway prowess for the Jason Grech presentation during the Melbourne Fashion Festival in Australia on March 7.

After the Jonas Brothers' concert in Los Angeles on March 7, the middle JoBro and his fiancée got dinner at Craig's in West Hollywood -- and how dapper he looked for the evening!

The brunette beauty kept things zipped up as she left the family studio after filming for Keeping Up With the Kardashians on March 7.

Please don't make us pick who's cuter! The youngest JoBro reunited with the adorable puppy from his Cigna ads for a health event in Los Angeles on March 7.

We were left starry-eyed after spotting McPhee in this ethereal, celestial dress at the Waitress: The Musical press night after-party in London, England, on March 7.

She's going to need a whole new room to fit all these accolades! The "IDGAF" singer got giddy as she showed off her Best British Artist and Best Female Award statues at The Global Awards in London, England, on March 7.

The Younger star had a playdate with a precious pup in New York City on March 7.

The Riverdale co-stars and real-life couple weren't afraid to pack on the PDA at the premiere of Sprouse's new film, Five Feet Apart, in Los Angeles on March 7.

Brave and bold! The pop singer surprised travelers inside London's St. Pancras train station on March 7, sitting down at Elton John's piano on the concourse to belt out her hit, "Love Song."

The "My Church" singer celebrated the release of her sophomore album, GIRL, with a YouTubeMusic fan experience performance in New York City on March 7.

Andrew Taggart and Alex Pall were in good company at the Dream Nashville grand opening on March 7. Justin Timberlake, Jessica Biel and Jay Cutler were all on hand for the event, with The Chainsmokers performing for guests in the hotel's music venue and lounge, Dirty Little Secret.

The Dance Moms star was sassy in a black-and-leopard-print ensemble at the Showpo LA pop-up launch party on March 7.

The 23-year-old model's face just barely peeked out of her zipped-up winter jacket, and considering how cold it is in New York City for March, we can't really blame her!

The Future Man star cheered on Overwatch League's Los Angeles Valiant as they took on the Philadelphia Fusion at Blizzard Arena Los Angeles in Burbank, California, in March 7.

The actors posed together at a photocall for the revival of Lanford Wilson's play, Burn This, in New York City on March 7.

Squeeze play! The fashionistas embraced in a huge hug at the New York City premiere of Bravo's Project Runway on March 7.

The Desperate Housewives alum grabbed a bite to eat at Planned Parenthood Los Angeles’ 40th Anniversary Food Fare Event & Fundraiser in Santa Monica on March 7.

So handsome! The "For You" singer smoldered outside The Global Awards in London, England, on March 7.

The actresses stuck close together at the Austin Film Society's 2019 Texas Film Awards on March 7.

The Aquaman actress stood tall at Marie Claire's International Women's Day event, in partnership with Salesforce and the United Nations, in London, England on March 7.

On March 7, the former One Direction singer struck a pose at Kiss FM Studios in London, England, where he was debuting his new single, "Two of Us."

The Triple Frontier co-stars kept each other amused at the Madrid, Spain, premiere of their Netflix thriller on March 6.

Her klaws keep coming out! The reality star rocked yet another vintage leopard-print catsuit, this time slipping into a sheer Azzedine Alaia number while out in Paris, France, on March 6.

The director and the EGOT winner snapped a goofy selfie at the Perfect Harmony: A Live Performance event, which celebrated the impact of music in documentaries at the Saban Media Center's Wolf Theatre in North Hollywood, California, on March 6.

The actors stepped out to support the Center for Reproductive Rights' Inaugural Los Angeles Benefit at the London West Hollywood on March 6.

The Shameless co-stars cozied up on the red carpet at the Emmy For Your Consideration Event for their Showtime hit in Los Angeles on March 6.

A downpour didn't rain on Pratt's parade! Despite the wet weather, The Kid star was nothing but love and light while heading to the Jimmy Kimmel Live! set in Los Angeles on March 6.

The "Millenium" singer belted out his during his "Live in Las Vegas" show at the Encore Theater at Wynn Las Vegas on March 6.

As if her rainbow two-piece ensemble wasn't awesome enough (and very '80s!), Larson rocked a bespoke Edie Parker clutch that read "captain" to a Captain Marvel screening in New York City on March 6.

Rain, rain, go away! Theroux shielded himself with an umbrella during a soggy stroll through Place Vendome in Paris, France, on March 6.

The Younger star stayed all bundled up on her Freeform show's NYC set on March 6.

Royal fans were delighted when the Duchess of Sussex made a surprise appearance at a #WEDay event in London on March 6, where her husband was giving a speech to students in attendance.

The Fam star was pretty in plaid as she exited the Ritz Hotel in Paris, France, on March 6.

The Bachelor alum flashed a smile at The Kid premiere in Hollywood on March 6.

Blonde bombshells! The model-actress hung out with the Foster sisters at the Vital Proteins Collagen Water launch party in Irvine, California, on March 6.

The funnyman goofed around with golf pro Ariya Jutanugarn during the U.S. Women’s Open preview day at the Country Club of Charleston on May 6.

The Scottish actor supported his former Broadchurch co-star at a BFI Chairman's Dinner honoring Colman with a BFI Fellowship at the Rosewood London in England on March 6.

What a doll! The British model posed with her very own Barbie while hosting a Gurls Talk x Barbie collaboration event at the Dover Street Market in London, England, on March 6.

The mom of three beamed while out in Los Angeles on March 5.

Motorin'! Out in Los Angeles, the recently engaged actor was upbeat as he headed towards his motorcycle on March 5.