Here is the Kelly Clarkson Letterman video. See video, photos of the pop star performing her latest single Already Gone on Late Show with David Letterman. … It the the official third single from the first season American Idol winner’s fourth studio album, All I Ever Wanted. The album features production and songwriting from OneRepublic frontman and hitmaker Ryan Tedder, Dr. Luke, Max Martin, and Howard Benson, among others. Already Gone was co-written by Kelly Clarkson …

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