Kelly Clarkson Brings Keith Urban, ‘Idol’ Judges to Tears With ‘Piece by Piece’Kelly Clarkson Brings Keith Urban, ‘Idol’ Judges to Tears With ‘Piece by Piece’Kelly Clarkson closed Thursday night’s episode of American Idol with an emotional performance of “Piece by Piece” that brought the crowd — and Keith Urban — to tears. Billy DukesBilly Dukes