WHOKNEW
Who Knew
"Who Knew" is a song by American recording artist and songwriter Pink, which was taken from her fourth studio album I'm Not Dead . The song was written by Pink, Max Martin and Lukasz Gottwald, while it was produced by Max Martin and Dr. Luke. "Who Knew" was released as the second single off the album worldwide in 2006, while it was re-released to U.S. radio as the album's fourth single in the United States in 2007, after the success of "U + Ur Hand".The above text is a snippet from Wikipedia: Who Knew
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