Celebrity Taylor Swift & Idris Elba Debut Cats in N.Y.C., Plus Inside the Cats Premiere, Gwen Stefani & More From Hollywood to New York and everywhere in between, see what your favorite stars are up to By People Staff Published on December 17, 2019 06:00 AM Share Tweet Pin Email Trending Videos 01 of 79 Cat's Out of the Bag Taylor Swift and Idris Elba. Kevin Mazur/Getty Costars Taylor Swift and Idris Elba look pawsitively fierce at the star-studded world premiere of Cats on Monday in New York City. 02 of 79 Star Struck Bruce Glikas/FilmMagic James Corden fans out next to Betty Buckley at the world premiere of Cats, based on the Andrew Lloyd Webber musical, at Alice Tully Hall at Lincoln Center on Monday in N.Y.C. 03 of 79 Heartfelt Hugs Tyler Golden/NBC Rose Short gets a big squeeze from judge Gwen Stefani during The Voice live finale performances on Monday. 04 of 79 Say Cheese, I Will Rich Fury/Getty Pedro Pascal smiles with fans and a baby Yoda at the premiere of Star Wars: The Rise of Skywalker on Monday in Hollywood. 05 of 79 On the Rise Charley Gallay/Getty Costars Daisy Ridley and John Boyega look sharp at the highly anticipated world premiere of Star Wars: The Rise of Skywalker on Monday in Hollywood. 06 of 79 Show Stoppers Andrew Lipovsky/NBC Musical guests Lea Michele and Jonathan Groff perform on The Tonight Show Starring Jimmy Fallon on Monday in N.Y.C. 07 of 79 Multitasking Man Media-Mode/SplashNews.com Liam Hemsworth peeks at his phone while carrying groceries back from a local supermarket in Byron Bay, Australia, on Tuesday. 08 of 79 Starry Night Terence Patrick/CBS Lil Nas X and Taraji P. Henson visit The Late Late Show with James Coden as Chance the Rapper steps in to guest host on Monday in L.A. 09 of 79 Best Bromance Bryan Bedder/Getty John Mulaney and Nick Kroll show each other love at the John Mulaney & The Sack Lunch Bunch N.Y.C. special screening at Metrograph on Monday. 10 of 79 Morning Commute Christopher Peterson/SplashNews.com Zoey Deutch heads to the set of The Politician after stopping for coffee in N.Y.C.’s East Village on Monday. 11 of 79 Cutest Costars Saoirse Ronan and Timothée Chalamet. Tim P. Whitby/Getty Close pals Saoirse Ronan and Timothée Chalamet hit the Little Women photo call at the Soho Hotel in London on Monday. 12 of 79 In Conversation Julie Edwards/LFI/Avalon Taron Egerton cracks a smile while chatting onstage during Mark Kermode Live in 3D at the BFI Southbank on Monday in London. 13 of 79 Bright Smiles Marion Curtis/StarPix for Lionsgate/Shutterstock Charlize Theron and Kate McKinnon arrive at the N.Y.C. special screening of Lionsgate’s Bombshell at the Frederick P. Rose Theater on Monday. 14 of 79 Big Ballers Astrid Stawiarz/Getty Jason Derulo hangs with members of the Harlem Globetrotters at SiriusXM Studios on Monday in N.Y.C. 15 of 79 Oh, What a Night Michael Hull Photo Shoshana Bean and Dan Levy pose with pals backstage ahead of their second annual holiday event, Night Divine, at Harlem’s Apollo Theater on Monday in N.Y.C. 16 of 79 Time to Talk Carl Timpone/BFA.com Jamie Foxx speaks onstage during the New York Times ScreenTimes talk about Just Mercy on Monday in N.Y.C. 17 of 79 Leading Ladies Lexie Moreland/WWD/Shutterstock Olivia Wilde and Katie Couric look chic in all black ensembles as they arrive at the Berggruen Prize for Philosophy and Culture Gala at the New York Public Library on Monday. 18 of 79 Seeing Red Charles Sykes/Invision for Target/AP Mindy Kaling gets into the holiday spirit with Bullseye on Thursday at Wonderland!, Target's festive pop-up event in N.Y.C., which is free and open to the public through Dec. 22. 19 of 79 Bump in the Night Steve Sands/MEGA Anna Kendrick holds a fake baby bump as she shoots a scene for the HBO series, Love Life, in Brooklyn on Monday. 20 of 79 Suited Up Dave Benett/WireImage Henry Cavill attends the world premiere of Netflix's The Witcher at Vue West End in London on Monday night. 21 of 79 Season's Greetings Paras Griffin/Getty Ciara Surprises Amazon Future Engineer Students at Paul Duke STEM High School on Monday in Atlanta. 22 of 79 Keeping It Casual The Image Direct Ahead of his 56th birthday, Brad Pitt steps out in L.A. on Monday. 23 of 79 Pretty in Pink Splash News Online Katy Perry goes all out on Sunday during a Qatar Live show at the Doha Convention Center. 24 of 79 Simply Mad Astrid Stawiarz/Getty Paul Reiser and Helen Hunt share a smile at SiriusXM's Town Hall with the cast of Mad About You on Monday in N.Y.C. 25 of 79 Black & White GC Images Brie Larson sports a smile while leaving Good Morning America in N.Y.C. on Monday. 26 of 79 In the Bizz Courtesy Serena Williams gets chatty at Bumble Bizz’s First Movers Summit in Atlanta on Saturday. 27 of 79 Playing the Field Courtesy Marc Anthony, Javier Báez and CEO of LISC Maurice Jones hold a ribbon-cutting ceremony at newly refurbished baseball field in Loiza, Puerto Rico, over the weekend, part of the Play Ball Again initiative, supported by UNICEF USA, to rebuild fields devastated by hurricanes Irma and Maria. 28 of 79 Party of Five Jessica Alba (L) and Cash Warren with their kids. Stefanie Keenan/Getty Jessica Alba's cute crew — husband Cash Warren and their kids Honor, Haven and Hayes — join her on Sunday at the Baby2Baby Holiday Party presented by FRAME and Uber at Montage Beverly Hills. 29 of 79 Earth Angel Kevin Mazur/Getty Mariah Carey performs onstage during her All I Want for Christmas Is You tour stop at New York City's Madison Square Garden on Sunday night. 30 of 79 City Stroll Gotham/GC Images Gabrielle Union brightens up the N.Y.C. city streets as she makes her way through SoHo on Sunday. 31 of 79 Game Time Paras Griffin/Getty Tyrese Gibson and Idris Elba buddy up at the Los Angeles Lakers vs. Atlanta Hawks basketball game at State Farm Arena in Atlanta on Sunday. 32 of 79 Coordinating Couple Hollywood To You/Star Max/GC Images Sarah Hyland and fiancé Wells Adams make it a match on Sunday while out in L.A. 33 of 79 Furry Friends Darren McCollester/Getty Niall Horan and a penguin pal have a chat backstage at KISS 108's iHeartRadio Jingle Ball 2019 in Boston on Sunday. 34 of 79 Back in Time Bryan Bedder/Getty George MacKay, Sarah Jessica Parker and Dean-Charles Chapman attend a special screening of 1917, hosted by Parker and presented by Universal Pictures and DreamWorks Pictures, on Sunday in N.Y.C. 35 of 79 No New Friends Adam Davis/BFA.com Kylie Jenner supports Justin Bieber at T-Mobile Presents: The Biebers x LIFT L.A. x Inner-City Arts with Paddle8 at UTA Artist Space in Beverly Hills on Friday. 36 of 79 Have Mercy Kristina Bumphrey/StarPix/Shutterstock Brie Larson and Michael B. Jordan crack up on Sunday during a conversation with the cast of Just Mercy in N.Y.C. 37 of 79 Out on the Town Gotham/GC Images Hailee Steinfeld steps out in an all-black ensemble on Saturday night in N.Y.C.’s Meatpacking district. 38 of 79 'Tis the Season Michael Simon/startraksphoto.com Kelly Ripa and Mark Consuelos join Amazon in delivering smiles for the holidays with a shopping trip at Whole Foods Market before a visit to the Win family homeless shelter on Friday in N.Y.C. 39 of 79 Flying Solo David M. Benett/Getty Orlando Bloom attends the Flaunt Magazine and Dunhill party celebrating "The Voyage Issue" honoring Bloom at Bourdon House in London on Sunday. 40 of 79 Star Sighting Paras Griffin/Getty Queen Latifah looks out into the audience while onstage during the ESSENCE + New Voices Entrepreneur Summit and Target Holiday Market at West End Production Park on Saturday in Atlanta. 41 of 79 Group Think Today Show Hoda Kotb snaps a selfie with Cats stars Rebel Wilson, Jennifer Hudson, Taylor Swift and Francesca Hayward during an interview for Today, airing Tuesday morning. 42 of 79 Pose Like a Boss Mark Sagliocco/WireImage Tiffany Haddish, Salma Hayek and Rose Byrne attend an event for their movie Like A Boss in New York City on Saturday. 43 of 79 Major Milestone Kevin Mazur/Getty Sean “Diddy” Combs and pals including Post Malone party the night away at Diddy's 50th birthday bash, presented by Ciroc Vodka, on Saturday in L.A. 44 of 79 Music Royalty Kevin Mazur/Getty Images JAY-Z and Beyoncé get glam for Sean "Diddy" Combs' 50th birthday party presented by Ciroc Vodka in Los Angeles on Saturday night. 45 of 79 All Love Kevin Mazur/Getty Images Cardi B, Mary J. Blige and Offset also party at Sean Combs' 50th birthday bash presented by Ciroc Vodka in Los Angeles on Saturday night. 46 of 79 That's a Wrap Sara Jaye Weiss/Shutterstock Katie Holmes is all smiles at the Frederick Wildman and sons 'Wrappy Hour' event in New York City on Saturday. 47 of 79 A Big Day Scott Dudelson/Getty Images Chance the Rapper performs Saturday during day 1 of the Rolling Loud Festival at Banc of California Stadium in Los Angeles. 48 of 79 Grease Is the Word AM/SplashNews.com John Travolta and Olivia Newton-John are reunited in West Palm Beach, Florida, where they dressed up as their Grease characters Danny Zuko and Sandy Olsson for a movie sing-along event on Friday. 49 of 79 Hustling Robert O'Neil/SplashNews.com Jennifer Lopez is spotted in Miami wearing all white as she hits the gym with fiancé Alex Rodriguez on Saturday. 50 of 79 Thir-Tay Dia Dipasupil/Getty Images Taylor Swift is surprised with a giant birthday cake onstage during iHeartRadio's Z100 Jingle Ball 2019 presented by Capital One in New York City on Friday night. 51 of 79 Just Chill Christopher Peterson/SplashNews.com The Aeronauts star Eddie Redmayne heads to lunch in New York City on Saturday. 52 of 79 Hello, Sunshine! BG004/Bauer-Griffin/GC Images Reese Witherspoon sports a bright smile in Los Angeles on Friday. 53 of 79 Man in Red Tristan Fewings/Getty John Legend performs at the 2019 Global Citizen Prize at the Royal Albert Hall in London on Friday. 54 of 79 Shoulder On Tim P. Whitby/Getty Also at the event in London on Friday night, Connie Britton. 55 of 79 True Prints-ess Pierre Suu/GC Images Selena Gomez waves to fans while leaving the NRJ radio station studios on Friday in Paris. 56 of 79 Friday Feels GC Images Lea Michele struts her stuff through the streets of N.Y.C. on Friday. 57 of 79 Paw Patrol Alexander Tamargo/Getty Patrick Schwarzenegger cozies up to a pup on the set of Despierta América! at Univision Studios in Miami on Friday to promote the film Daniel Isn't Real. 58 of 79 Protesting Pals John Lamparski/Getty Sally Field becomes the latest star to join Jane Fonda in her "Fire Drill Friday" climate change protests in Washington, D.C., on Friday. 59 of 79 Check, Mate Astrid Stawiarz/Getty Camila Cabello has layers of style on Friday during a visit to SiriusXM's Radio Andy in N.Y.C. 60 of 79 All Dressed Up Tiff Nolasco Wyclef Jean celebrates the launch of his new Carnival World Music Group — a publishing and distribution company that will focus on creative talent in Africa and other underserved markets — with partner and Sound Royalties’ Alex Heiche at the Core Club in N.Y.C. on Thursday. 61 of 79 Legendary Ladies John Sciulli/Getty Honorees Taylor Swift and Billie Eilish smile during their big night at Billboard’s Women in Music 2019 on Thursday in L.A. 62 of 79 On Your Mark, Get Set, Go! JC Olivera/Getty Vin Diesel and Michelle Rodriguez accept a statuette at The Game Awards 2019 in L.A. on Thursday. 63 of 79 It's All Gucci Jared Siskin/Patrick McMullan via Getty Sienna Miller and Emily Blunt attend the Gucci and Cinema Society screening of American Women at Metrograph on Thursday in N.Y.C. 64 of 79 Laughing Out Loud Rodin Eckenroth/Getty Laura Dern speaks on Thursday at a screening of Marriage Story at the Hammer Museum in L.A. 65 of 79 Chill Vibes TM/Bauer-Griffin/GC Images Jamie Foxx steps out in a cozy sweatsuit on Thursday night in L.A. 66 of 79 Piano Man Terence Patrick/CBS Jeff Goldblum shows off his musical talents as guest host of The Late Late Show with James Corden on Thursday in L.A. 67 of 79 Coming Soon Jesse Grant/Getty Creator and actor Jason Segel and Chris O’Dowd pose at the Dispatches from Elsewhere tastemaker event on Thursday in L.A. 68 of 79 Spreading Cheer Jamie McCarthy/Getty Tony winner Idina Menzel gets into the holiday spirit on Thursday, performing songs from her new album, Christmas: A Season of Love, at a Today at Apple event at the Fifth Avenue Apple Store in New York City. 69 of 79 Supportive Smiles Rachel Murray/Getty Eva Longoria supports Charlene Roxborough Konsker and Vimmia’s launch of the CRK + Vimmia Collection on Thursday in Beverly Hills. 70 of 79 Having a Chat Isabel Infantes/ PA Images/INSTARimages.com Chris Martin talks animatedly while Hugh Grant listens during a taping of The Graham Norton Show in London on Thursday. 71 of 79 Fleabag Chooses Love David M. Benett/Getty Andrew Scott, Phoebe Waller-Bridge and Ben Aldridge volunteer during March Fund Day at the Choose Love shop for the Help Refugees organization on Thursday in London. 72 of 79 Eco-Friendly Face Joe Scarnici/Getty Kate Hudson is all smiles while hosting a cocktail event to celebrate Happy X Nature Eco-Evening Collection in Venice, California, on Thursday. 73 of 79 Blast from the Past Robyn Beck/AFP/Getty Johnny Galecki reunites with Chevy Chase at the Academy of Motion Picture Arts and Sciences 30th anniversary screening of National Lampoon’s Christmas Vacation at the AMPAS Samuel Goldwyn theatre in Beverly Hills on Thursday. 74 of 79 Making a Point Marion Curtis/StarPix for The Paley Center NY/Shutterstock Aaron Paul gets chatty at PaleyLive NY at Apple’s Truth Be Told screening in N.Y.C. on Thursday. 75 of 79 Having a Ball Cindy Ord/Getty Bethenny Frankel plays in the ball pit at the Museum of Ice Cream Flagship opening party in N.Y.C. on Thursday. 76 of 79 Holiday Hangout Steve Lucero/BFA.com Jenn Streicher and Busy Philipps get together at the Streicher Sisters and PLUS Products Celebrate STRIIIKE Holiday Market at STRIIIKE in Beverly Hills on Thursday. 77 of 79 Winter Wonderland MOVI Inc Audrina Patridge gets into the Christmas spirit at the Neutrogena Winter Soiree party at the Le Peer Hotel rooftop on Thursday in West Hollywood. 78 of 79 Pleasantly Purple Dan Wooller/Shutterstock Kelly Osbourne shows of brilliant purple locks while catching a production of Nativity: The Musical with her mom, Sharon, in London on Thursday. 79 of 79 They've Got Talent Taylor Hill/Getty Jack Antonoff and Carly Rae Jepsen perform during the 6th Annual Ally Coalition Talent Show at Town Hall Theater in N.Y.C. on Thursday night.