The Stars Swarm Coachella Fest

There were just as many A-listers in the audience as there were onstage, as Zac Efron & Vanessa Hudgens, Pink, Kate Hudson and others headed to the annual music festival

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GUEST STAR

Beyoncé makes a surprise appearance during husband Jay-Z's headlining performance Friday night, joining him onstage during his 90-minute set for "Forever Young." "Hova is ruling Coachella," Tweeted Katy Perry, who was in the audience. "No. One. Compares."