Carrie Underwood takes the top-selling track for an American Idol act this week, but Kelly Clarkson's right after her with Stronger. And Kelly's got the track with the big sales hit, as new single Dark Side jumps 63%, according to Nielsen SoundScan.

Carrie Underwood (Good Girl) - 46,000, -15%, 1.082 million
Kelly Clarkson Stronger (What Doesn't Kill You) - (44,000, -13%, 3.405 million)
Jennifer Lopez feat. Pitbull, Dance Again - 29,000, -17%, 821,000
Phillip Phillips (Home) - 29,000, -24%, 448,000
Jennifer Lopez (feat. Flo Rida, Goin' In) - 10,000, debut, 10,000
Kelly Clarkson (Mr. Know It All) - 10,000, +1%, 1.524 million
Kelly Clarkson (Dark Side) - 9,000, +63%, 55,000
Carrie Underwood (Blown Away) - (8,000, -21%, 188,000)
Brad Paisley/Carrie Underwood (Remind Me) - 7,000, -23%, 1.563 million
Jason Aldean/Kelly Clarkson (Don't You Wanna Stay) - 6,000, -5%, 2.093 million
Carrie Underwood (Before He Cheats) - 5,000, -4%, 3.494 million
Kelly Clarkson Stronger (What Doesn't Kill You) - (44,000, -13%, 3.405 million)
Jennifer Lopez feat. Pitbull, Dance Again - 29,000, -17%, 821,000
Phillip Phillips (Home) - 29,000, -24%, 448,000
Jennifer Lopez (feat. Flo Rida, Goin' In) - 10,000, debut, 10,000
Kelly Clarkson (Mr. Know It All) - 10,000, +1%, 1.524 million
Kelly Clarkson (Dark Side) - 9,000, +63%, 55,000
Carrie Underwood (Blown Away) - (8,000, -21%, 188,000)
Brad Paisley/Carrie Underwood (Remind Me) - 7,000, -23%, 1.563 million
Jason Aldean/Kelly Clarkson (Don't You Wanna Stay) - 6,000, -5%, 2.093 million
Carrie Underwood (Before He Cheats) - 5,000, -4%, 3.494 million



