US X Factor Finale: Celebrity Performances Video Clips

Thursday night's US X Factor Finale Show had plenty of huge celebrity performances. Legendary Stevie Wonder, Justin Bieber, Pitbull, Leona Lewis, and 50 Cent entertained the television audience. While the other musicians performed live, Bieber taped his part in advance.

Check out these video clips below. If you missed last night's star studded show, you can see the replays right here. By the way, Melanie Amaro was the winner of the first US X Factor Season. The 19-year-old "star in the making" won the $5M recording contract.

Justin Bieber:

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Pitbull:

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Leona Lewis

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50 Cent:

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