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Lady Gaga
Who came out to celebrate the 10-year anniversary of the former president's global foundation? Uh, who didn't? Check out all the stars on hand for the splashy Hollywood Bowl concert, and read our eyewitness account of the event, too!
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Bono
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Bill Clinton
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Maria Bello
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Kenny Chesney
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Ellen DeGeneres & Portia Di Rossi
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Usher
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Lindsay Lohan
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Barbra Streisand & James Brolin
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Ashton Kutcher & Jason Segal
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Stevie Wonder
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Bonnie Raitt, Joni Mitchell & Hlllary Clinton
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Patricia Arquette
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