Joe Jonas is heading to American Idol!

Look back on some of your favorite Idol contestants.

The Jonas Brother is the latest guest judge to be added to the hit Fox show's line-up, his rep confirms to Usmagazine.com. The musician will sit alongside Simon Cowell, Randy Jackson and Kara DioGuardi during the Dallas auditions. This won't be Joe's first appearance on Idol. He and his brothers last appeared in 2008 during the show's seventh season finale.

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A pop star who won't be sitting at the judges' table? American Idol champ Kelly Clarkson. Despite reports claiming the Season One alum is nearing a deal to appear on the show in the wake of Paula Abdul's departure, a rep tells Us it's "not true."

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Other judges confirmed for Idol include Victoria Beckham, Katy Perry, Shania Twain and Mary J. Blige. The upcoming season premieres in January.

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