From Park City, Utah to Paris, it was an eventful week. Take a look at what your favorite stars from Jessica Alba to Chris Hemsworth were up to.
Photo: Getty Images
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January 30: Minnie is a star! Hilary Duff had some fun with Minnie Mouse during the Disneyland 60th Anniversary celebration in Anaheim, California.
Instagram/@hilaryduff
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January 30: Justin Bieber treated fans to a special surprise performance at celebrity hotspot 1 OAK in L.A.
Photo: 1 OAK LA
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January 30: Model behavior! Derek Zoolander aka Ben Stiller and supermodel Cara Delevingne had the ultimate model walk-off during their Paris takeover.
Photo: Instagram/@zoolander
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January 29: Flawless beauty! Laverne Cox attended the Entertainment Weekly and Maybelline New York SAG Award nominees party at Chateau Marmont in West Hollywood.
Photo: Jason Kempin/Getty Images for Entertainment Weekly
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January 29:Priyanka Chopra stunned during the Entertainment Weekly and Maybelline New York SAG Award nominees party at Chateau Marmont in West Hollywood.
Photo: Jason Kempin/Getty Images for Entertainment Weekly
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January 29: Sarah Hyland was all glam during the Entertainment Weekly and Maybelline New York SAG Award nominees party at Chateau Marmont in West Hollywood.
Photo: Jason Kempin/Getty Images for Entertainment Weekly
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January 28: Kendall Jenner worked the red carpet during Mango's Tribal Spirit photo call in Barcelona.
Photo: Getty Images
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January 28: Girls do have fun! Ingrid Michaelson, Kelsea Ballerini and Cyndi Lauper performed at Skyville Live presents "Girls Just Wanna Have Fun" with Cyndi Lauper in Nashville.
Photo: Getty Images
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January 28: It's Kaley B*tch! Kaley Cuoco unleashed her inner Britney Spears and performed "Slave For You" during Spike TV's 'Lip Sync Battle.'
Photo: Spike TV
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January 27: Reunited and it feels so good! Zoe Kravitz shared a pic with hip hop divas Salt 'n Pepa during a Milk makeup event in NYC.
Photo: Instagram/@zoeisabellakravitz
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January 27: DJ with style! Hannah Bronfman turned up the music inside of Target and Who What Wear's apparel and accessories collection launch event in NYC.
Photo: Dimitrios Kambouris/Getty Images
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January 27: Honestly chic! Jessica Alba looked stunning during the Target and Who What Wear apparel and accessories collection launch event in NYC.
Photo: Dimitrios Kambouris/Getty Images
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January 27: Girls' night! Jaime King and Kate Bosworth did some quality girl bonding during Target and Who What Wear's apparel and accessories collection launch event in NYC.
Photo: Dimitrios Kambouris/Getty Images
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January 27: Luke Bryan wrapped his sold out "Crash My Playa" concert at Barcelo Beach Resort in Riviera Maya, Mexico.
Photo: aLIVE Coverage
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January 27: Miami heat! Sports Illustrated models Hannah Ferguson and Chanel Iman stunned during the announcement of SI Swimsuit 2016 Launch Week Events at the 1 Hotel South Beach in Miami.
Photo: Getty Images
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January 27: From the top of the city! SI Swimsuit models
Emily DiDonato and Erin Heatherton braved the NYC cold during the announcement of SI Swimsuit 2016 Launch Week Events in NYC.
Photo: Getty Images
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January 27: David Schwimmer and his wife Zoe Buckman attended the premiere of his latest show FX's 'American Crime Story: The People vs. O.J. Simpson' in Westwood, California. The 'Friends' star dished about the reunion. “Well, it was just lovely to be in the same room and to honor Jimmy, who we all really love,” he told Entertainment Tonight. "He’s a prolific director, and he really helped forge the cast as an ensemble and really clarified all those relationships from the get-go, so it was lovely to be there.”
Getty Images
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January 27: Natalie Portman looked flawless during The Weinstein Company with The Cinema Society and SERPENT'S BITE's NYC Premiere of 'Jane Got a Gun.'
Photo: Clint/Patrick McMullan
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January 26: John Legend, Chrissy Teigen and their baby bump enjoyed date night in NYC during the #WineStar awards, celebrating the launch of John's new LVE wine collection.
Photo: Instagram/@johnlegend
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January 26: Brooklyn Decker kept warm during the Women Rewriting Hollywood lunch during the Sundance Film Festival in Park City, Utah.
Photo: Getty Images
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January 26: 'Kung Fu Panda 3' stars Kate Hudson and Lucy Liu chatted about mommy life and their new film during the AOL Build Speaker Series in NYC.
Photo: Getty Images
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January 25: Bradley Cooper and Nina Arianda attended the Arthur Miller One Night 100 Years Benefit in NYC.
Photo: Getty Images
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January 25: Chris Hemsworth played an exciting round of Would You Rather during the launch of Australia's New Tourism campaign, featuring the handsome actor in NYC.
Photo: Getty Images