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Hollywood's biggest starlets have embarked on the Coachella mass exodus from Los Angeles to the even more scorching Indio, Calif.

Katy Perry, Selena Gomez, Vanessa Hudgens, Lindsay Lohan and Kylie and Kendall Jenner were among the festival-goers who partied at the annual music fest on Saturday, snapping selfies of themselves throughout the weekend.

Katy, who recently dyed her hair "slime green," as she called it, was reportedly spotted with Robert Pattinson. Rumors of a romance have long surrounded the two. Although she didn't post any photos with the Twilight star, Katy did Instagram a pic with her pals, who all wore matching hand-made sequined crop tops.

Meanwhile, a Justin Bieber-less Selena has been bonding with the Jenner sister. While the new BFFs donned denim short shorts and bohemian ensembles yesterday, they opted for a gothic all-black look today.

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Vanessa, who clung to her boyfriend Austin Butler, underwent a drastic makeover in honor of the fest. She sported long blonde wavy "mermaid hair" and not much else during the outdoor concerts. The Spring Breakers star has been gearing up for the festival since January.

Meanwhile, Lindsay partied into the early hours of the morning. Although the event has a reputation for being riddled with being drugs and alcohol, Linds has vowed to stay on the straight and narrow during the weekend fest.

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Others threw pool parties at sponsored events. Poppy Delevingne hosted the Superdry Coachella brunch/her bachelorette party on Saturday with her model sis Cara, actress friend Sienna Miller and a bevvy of bikinied blondes.

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The Guess party, on the other hand, attracted the likes of Whitney Port, Shenae Grimes, Jesse Metcalfe and his fiance Cara Santana.

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