Former "American Idol" winner Kelly Clarkson hit up a karaoke bar with some friends in Nashville last night -- and they took their turn on the mic to belt out  Ke$ha's "Your Love Is My Drug".

Kelly Clarkson Does Karaoke
They weren't done there though -- check out Kelly and the gang singing "Ice Ice Baby" and "Sweet Child 'o Mine," AFTER THE JUMP!

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