'American Idol' winners: Where are they now?
Sparks is the youngest winner of "Idol," taking the title when she was just 17. Her self-titled debut went platinum, and her duet with Chris Brown, "No Air," sold over 4 million digital downloads. She has also gone the Broadway route, appearing in the Tony-winning musical 'In the Heights" in 2010. She's also set to make her film debut in 2012 as the titular character in the remake "Sparkle," which also features the late Whitney Houston.