WATCH: The Star-Studded AMA After-Party

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November 22, 2010

The hottest and hippest stars of the music world, like Katy Perry and Ke$ha, convened at the Rolling Stone party after Sunday night's American Music Awards and ET was on hand for all of the celeb action!

The one thing on everybody's mind at the bash, held at the newly opened Rolling Stone Restaurant and Lounge, was Justin Bieber's winning streak! The 16-year-old sensation won four awards, including Artist of the Year.

Check out the fun new video to hear what Dave Navarro, David Cook and Mike Posner had to say about Bieber's American Music Awards Fever!

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