The Stars Come Out to Play in Coachella Valley

Celebrities kicked off the music festival celebrations in Coachella Valley in California over the weekend, letting loose with good pals under the desert sun. Donning zebra-print pants, Jared Leto chilled at the star-studded Neon Carnival event, and Kendall Jenner sported a huge nose ring while hanging with her sister Kylie and their new best friend Selena Gomez during daytime festivities. There was plenty of PDA, with Joe Jonas and girlfriend Blanda Eggenschwiler kissing passionately and recently engaged Emma Roberts and Evan Peters sharing a smooch. As for big surprises, Beyoncé duetted with her sister, Solange Knowles, Justin Bieber randomly showed up to perform, and Hilary Duff hung out with Mike Comrie, from whom she separated in January. Keep reading to see the best photos so far, and come back later as the celebration continues! Source: Getty, Billy Farrell Agency, FameFlynet, and Pacific Coast News Online

Getty | Chris Weeks

Kendall Jenner wore quite a nose ring.

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Austin Butler and Vanessa Hudgens matched with their hats.

Pacific Coast News Online

Sarah Hyland and boyfriend Matt Prokop stayed close.

Getty | Chris Weeks

Lea Michele and Glee costar Mark Salling hugged.

Getty | Jonathan Leibson

Emmy Rossum and Fergie posed.

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Kate Bosworth and husband Michael Polish kissed.

Pacific Coast News Online

Dianna Agron and her rumored boyfriend, Thomas Cocquerel, kissed.

FameFlynet

Justin Bieber surprised everyone with a performance.

Getty | Michael Bezjian

Nina Dobrev looked gorgeous.

Pacific Coast News Online

Alexander Skarsgard stepped out with a mystery woman.

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Emma Roberts locked lips with her fiancé, Evan Peters.

Getty | Christopher Polk

Beyoncé joined her sister, Solange Knowles, for a surprise performance.

Getty | Jerod Harris

Jamie Chung and fiancé Bryan Greenberg looked good.

Getty | Jonathan Leibson

Miles Teller was the captain of the Neon Carnival.

Billy Farrell Agency | Angela Pham/BFAnyc.com

Emmy Rossum looked festival-ready.

Pacific Coast News Online

Danny Masterson and Kellan Lutz held hands playfully.

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Separated couple Hilary Duff and Mike Comrie walked around together.

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Fergie hid under a big black hat.

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Dianna Agron danced the day away.

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Vanessa Hudgens covered up with a scarf.

Getty | Chris Weeks

Chord Overstreet sipped on a tropical drink.

Getty | Angela Weiss

Steven Tyler bit Katy Perry's hat at the Lacoste party.

Pacific Coast News Online

Selena Gomez held Kylie Jenner's arm.

Pacific Coast News Online

Lindsay Lohan was in a jovial mood, flashing a peace sign.

Getty | Frazer Harrison

Katy Perry watched a performance.

Pacific Coast News Online

Dianna Agron and her rumored boyfriend, Thomas Cocquerel, got close.

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Jared Leto sported a thick beard.

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Kendall Jenner bared her midriff.

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Kendall and Kylie Jenner wore all black.

Pacific Coast News Online

Cara Delevingne wore a patterned top to the festival.

Pacific Coast News Online

Kelly Osbourne was all smiles.

Pacific Coast News Online

Alessandra Ambrosio waved her hands in the air.

Pacific Coast News Online

Rosie Huntington-Whiteley revealed her long stems.

Pacific Coast News Online

Jared Leto snapped a selfie.

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Sarah Hyland shared a sweet moment with her boyfriend, Matt Prokop.

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Kellan Lutz showed off his guns while taking a selfie with Ashley Greene.

Pacific Coast News Online

Aaron Paul took his wife, Lauren Parsekian, to the event.

Billy Farrell Agency | Angela Pham/BFAnyc.com

Katy Perry rocked 3-D glasses at Alexander Wang's party.

Getty | Chris Weeks

Katy Perry and Lea Michele linked up.

Billy Farrell Agency | Angela Pham/BFAnyc.com

Alexander Skarsgard and Alexander Wang posed.

Getty | Todd Oren

Ashley Benson played DJ.

Getty | Jerod Harris

Jamie Chung squirted a water gun.

FameFlynet

Joe Jonas and Blanda Eggensschwiler held hands.

Getty | Todd Oren

Kendall and Kylie Jenner clinked popsicles.

Pacific Coast News Online

Riley Keough and boyfriend Ben Smith-Peterson went out at night.

Julianne Hough hit up the Old Navy Oasis. Source: Michael Simon

Pacific Coast News Online

Jared Leto covered up.

Pacific Coast News Online

Aaron Paul ran around and had a blast.

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Lance Bass took a stroll with his shirtless fiancé, Michael Turchin.

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Emma Roberts and fiancé Evan Peters stayed close.

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Kate Bosworth and her husband, Michael Polish, got cozy.

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David Hasselhoff made an appearance with girlfriend Hayley Roberts.

Getty | Jerod Harris

Brittany Snow posed in denim.

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Alessandra Ambrosio looked gorgeous.

Pacific Coast News Online

Ryan Phillippe rocked a hankerchief.

Billy Farrell Agency | Aleks Kocev/BFAnyc.com

Julianne Hough rocked a flower crown.

Getty | Jerod Harris

Hannah Simone rocked a hat.

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Kylie Jenner, Selena Gomez, and Kendall Jenner stayed close.

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Alessandra Ambrosio got her dance on.

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Camilla Belle was all smiles.

Getty | Jonathan Leibson

Miles Teller snapped a selfie.

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Hilary Duff laughed while walking around.

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Sarah Hyland and Matt Prokop stayed close.

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Ashley Greene walked hand in hand with boyfriend Paul Khoury.

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Kellan Lutz waved.

Getty | Jerod Harris

Jamie Chung sat poolside with Jesse Metcalfe and his fiancée, Cara Santana.

Pacific Coast News Online

Amber Rose showed off her legs.

FameFlynet

Aaron Paul had a big grin as the celebration started.

Getty | Jerod Harris

Ryan Kwanten looked dapper.

Getty | Todd Oren

Dianna Agron laughed while eating a popsicle.

Getty | Jerod Harris

Whitney Port looked good in plaid.

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Minnie Driver was all smiles.

Pacific Coast News Online

Kylie and Kendall Jenner had fun with Selena Gomez.

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Michelle Pfeiffer enjoyed the festival.

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Katharine McPhee looked casual.

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Kesha walked around the fest.

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Rose McGowan snapped a selfie.

Getty | Jerod Harris

Ashley Madekwe rocked overalls.

Pacific Coast News Online

Paul Wesley laughed with a friend.

Getty | Chelsea Lauren

Kelly Osbourne hung out with friends.

Getty | Chelsea Lauren

Claire Holt struck a pose.

Getty | Michael Bezjian

Katharine McPhee jumped around with friends.

Pacific Coast News Online

Leonardo DiCaprio hid, though he showed off his dancing skills at the festival.

FameFlynet

Ireland Baldwin snapped a selfie.

Aaron Paul and Ashley Greene ate Cousins Maine Lobster rolls at the Abbot + Main Estate pool party. Source: Michael Kovac

Getty | Jesse Grant

Zoe Kravitz and her cousin, DJ Ruckus, met up at Nylon and Guess's Neon Carnival bash.