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Kelly Clarkson Debuts New Single 'Mr. Know It All' (Audio)

The inaugural “American Idol” champ will release her fifth studio album, “Stronger,” in October.

Kelly Clarkson publicity 2011 P
Harper Smith

For her first single since 2010’s “All I Ever Wanted,” Kelly Clarkson unveiled “Mr. Know it All” on her official website Tuesday, Aug. 30.

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The first single off her forthcoming Stronger album, the track warns admirers: “You don’t know a thing about me.” The song hit radio immediately after its debut and will be available to online retailers on Sept. 5, with buyers also given the option to pre-order Stronger in its entirety.

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Stronger is set to drop on Oct. 25. It is the fifth studio album for the singer, whose last record, 2009’s All I Ever Wanted, peaked at No. 1 on the Billboard 200, boasting the hit singles “My Life Would Suck Without You,” “I Do Not Hook Up” and “Already Gone.”

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Listen to the new track below, and read the lyrics, in Clarkson’s own handwriting, here.