Celebrity week in photos: The Stallone sisters are cover stars, Shania Twain returns and more

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April 30: Olivia Culpo was all smiles as she completed the SHAPE Women’s Half Marathon that helped CARE’s mission to fight global poverty in NYC's Central Park. Photo: Matt Carr Photography/SHAPE Magazine

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April 30: Brooklyn Decker was a ray of sunshine at her Austin Way cover party at the Umlauf Sculpture Garden. Photo: Ben Porter

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April 30: Jordana Brewster brought her sons Julian & Rowan as her dates to the Zimmer Children’s Museum’s WE ALL PLAY party in Los Angeles. Photo: Charley Gallay

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April 30: Autumn Reeser and Ben McKenzie had an OC reunion at the Zimmer Children’s Museum WE ALL PLAY Fundraiser in L.A. Photo: Charley Gallay

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April 29: Shania Twain debuted her new single Life's About to Get Good during Stagecoach in Indio, California. Photo: Kevin Winter/Getty Images for Stagecoach

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April 29: Leonardo DiCaprio was front and center during the People's Climate March in Washington, D.C. The actor and activist shared on Instagram, "Today’s #ClimateMarch leaves me inspired and hopeful for our future on this planet. We must continue to work together and fight for #climatejustice. The time is now." Photo: Getty Images

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April 29: Kelsea Ballerini, Sofia Carson, Hailee Steinfeld and Jamie Lynn Spears took the stage at the Radio Disney Awards to honor Britney Spears with the Icon Award. Photo: Disney Channel/Image Group LA

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April 29: Katy Perry snapped a selfie with Dear Evan Hansen star Ben Platt after the singer saw the Tony-nominated Broadway play. Along with the close-up, the Bon Appetite singer wrote, "Last night I witnessed the most connective play on Broadway I have ever seen called "Dear Evan Hansen" played by the brilliant @bensplatt. The whole cast was phenomenal and deliver such an incredible experience, some would call it a healing. Bravo. ❤" Photo: Instagram/@katyperry

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April 28: At this place, everyone always has fun! Hailey Baldwin and Joan Smalls celebrated the Blond at 11 Howard's one-year anniversary with V Magazine in NYC. Photo: Matteo Prandoni for BFA

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April 28: Kate Upton showed off her engagement ring front row at the Atelier Pronovias 2018 show in Barcelona. Photo: Getty Images

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April 28: The Arrangement actor Josh Henderson, who is from Texas, ventured to the desert with friends for the weekend to take in some country music at the Stagecoach Festival. Photo: Instagram/@joshhenderson

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April 28: Bregje Heinen, Romee Strijd, Cindy Bruna and Martha Hunt modeled the Atelier Pronovias collection along with designer Hervé Moreau at the show in Barcelona. Photo: Getty Images

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April 27: UNICEF Goodwill Ambassador Selena Gomez introduced Alicia Keys during the WE Day California celebration at the Forum. Photo: Tommaso Boddi/Getty Images for WE

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April 27: Nadine Leopold and Jasmine Tookes had a full supply of Perrier Jouet as they hung poolside at Encore Beach Club prior to their celebrating Intrigue Nighclub's one-year anniversary at the Wynn hotel in Las Vegas. Photo: David Becker/Getty Images

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April 27: Vin Diesel showed the love for his friend Nicky Jam as the duo took the stage at E11EVEN in Miami after the Latin Billboard Awards. Photo: Posh Panel

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April 27: Jennifer Lopez took the stage in a Julien Macdonald jumpsuit during the Latin Billboard Awards in Miami. Photo: Sergi Alexander/Getty Images

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April 27: Lea Michele showed off her spring style during her visit to Music Choice where she spoke about her new album Places. Photo: Noam Galai/Getty Images

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April 27: Ruby Aldridge stopped by the ESPRIT by Opening Ceremony party with SVEDKA Vodka at Up & Down in NYC. Photo: Madison/BFA.com

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April 26: Is there a fourth Stallone sister?! Victoria Justice celebrated Sistine, Scarlet and Sophia's Harper's BAZAAR cover presented by Sephora at Mama Shelter in L.A. Photo: Stefanie Keenan/Getty Images for Harper's BAZAAR

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April 26: While in Australia promoting his new film The Osiris Child at the Gold Coast Film Festival, the actor called the QT Hotel home. Photo: Instagram/@KellanLutz via Joe Dadic

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April 26: George Clooney took the stage with Buzz Aldrin, Omega President and CEO Raynald Aeschlimann and Professor Brian Cox at the OMEGA 'Lost In Space' dinner to celebrate the 60th anniversary of the OMEGA Speedmaster in London. Photo: Getty Images

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April 26: George Clooney and Liv Tyler were treated to a performance by ESKA, who gave a stunning rendition of David Bowie’s classic song Space Oddity to wrap the Omega's 60th anniversary of the Speedmaster at the Tate Modern in London. Photo: Getty Images

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April 26: Orlando Bloom was pure magic during his visit to KISS FM in London to promote his latest project Unlocked. Photo: Eamonn M. McCormack/Getty Images

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April 26: Riley Keough checked out the Tiffany & Co. HardWear collection at an Art of Elysium party in L.A. Photo: Jonathan Leibson/Getty Images for Tiffany & Co.

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April 25: Bella Hadid was every bit chill at the Spring + Morgan Lane 'sleepover' party at Chillhouse in NYC. Photo: Griffin Lipson/BFA.com

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April 25: This is the double date of all double dates! Chrissy Teigen and John Legend hung with Blake Lively and Ryan Reynolds at the TIME 100 Gala where John and Ryan were honored. During the event, Blake posted a shot of her husband blocking her view of the La La Land actor. "Congratulations to the most influential person in my life. The best man I know... you deserve this @time 100 honor ... If only my husband wasn't blocking you in this shot. I'm so sorry @johnlegend." Photo: Kevin Mazur/Getty Images for TIME

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April 25: It's going up on a Tuesday! Nick and Joe Jonas hosted a dinner party in NYC with D'USSE. Photo: D'USSE/Shareif Ziyadat

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April 25: Molly Sims and her producer-husband Scott Stuber left their kids at home to attend the Natural Resources Defense Council's “STAND UP! for the Planet" Gala at the Wallis Annenberg Center for the Performing Arts in Beverly Hills. Photo: Getty Images

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April 25: Selita Ebanks had a twirl in her floral gown during the New Yorkers for Children's Spring Dinner Dance – A Fool’s Fete: Enchanted Garden. Photo: BFA

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April 25: Kylie Jenner joined Travis Scott courtside in Houston for the Rockets NBA playoff game against the Oklahoma City Thunder. Photo: Bob Levey/Getty Images