Just when you thought wardrobe malfunctions were a thing of the past, along came Usher. The R&B superstar performed a trio of tracks at the William J. Clinton Decade of Difference Concert. While on stage, the dancing machine accidentally split his pants down the left leg. Not one to miss a beat, the singer had a smooth recovery, even making light of the unplanned split. He donned his shades, pointed to the growing hole, and said with a smile, "I work hard." Indeed he does.