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American Idol

This Cutie Is the Youngest American Idol Winner Ever, But Who Is She? (PHOTOS)

She's dating a fellow famous singer and lost a ton of weight after being on American Idol. She's pictured here with her little brother, who now plays college football.

We've pretty much given you the answer, but if still don't know who she is, click here for the answer!

04.20.2013 / 02:08 AM EDT by Chako Suzuki
Related: American Idol, Guess Who?

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