Video: Ke$ha, Katy Perry at Rolling Stone AMA Party

Kid Rock, Brandy, Black Eyed Peas and more rocked the magazine's AMA bash at RS/LA

Sunday night's American Music Awards in Los Angeles was a star-studded affair, and a lot of those stars — including Ke$ha, Kid Rock, Katy Perry and Russell Brand, Brandy, Muse, Dave Navarro, Kelly Osbourne, the Black Eyed Peas and Jackson Browne — hit Rolling Stone's AMA afterparty at RS/LA, the brand-new Rolling Stone Restaurant and Lounge in Hollywood.

Photos: The Best Moments From the American Music Awards