KELLY CLARKSON ROCKETS TO #1
POST-IDOL

Following Kelly Clarkson's emotionally charged performance of "Piece by Piece" on American Idol, the title track—off her seventh studio album, released via RCA this time last year—soared to #1 on iTunes. The album, meanwhile, hit the Top 3.

Watch Kelly sing her heart out below, and stay tuned for more iTunes scrutiny.