‘Stronger (What Doesn’t Kill You)’ Is the Best-Selling Single by an American Idol

American Idol’s first winner Kelly Clarkson, 30, surpassed Season 4 winner Carrie Underwood, on top of the Billboard Charts. Miss. Clarkson’s single “Stronger (What Doesn’t Kill You)” has sold a total of 3,510,000 copies, which is a million better than Underwood’s single “Before He Cheats.”

“Stronger” is the second single off of Clarkson’s fifth studio album of the same name. The song also became Clarkson’s longest running number one single when it sat at the top spot on the Billboard Hot 100 for three-weeks earlier this year. Clarkson’s previous two number ones–”A Moment Like This,” and “My Life Would Suck Without You” spent two weeks on top of the chart.

Despite all this success however, Underwood is still on top when it comes to album sales. The singer’s four albums–Some Hearts, Carnival Ride, Play On  and Blown Away–have sold a combine total of 13,205,000 copies. Clarkson, who had five albums–Thankful, Breakaway, My December, All I Ever Wanted and Stronger– is in second place with 11,664,000 copies.

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About Brittanyt

Brittany Tenpenny has wanted to be a writer for as long as she could remember. Aside from brief fantasies of pop stardom and becoming the female Indiana Jones, Brittany was dead set on writing. She pursued her dream all through her academic career, becoming a staff writer for "The Argo" at The Richard Stockton College of New Jersey where she graduated at the top of her class with a Bachelors of Arts in Communications. Last year, Brittany's fictional pieces were published in the e-book "A Calm Whisper."

Brittany is now a graduate student at Rowan University and is currently working on a novel.