J. Cole stepped off the sidelines and onto the court at Friday?s NBA All-Star Celebrity Game at the Orange County Convention Center in Orlando. The Roc Nation rapper, who will?perform?at tonights Sprint Pregame Concert, showed off his skills with a slam dunk while playing against the West?s Common and Ne-Yo. Just before the buzzer rang, Cole blocked Common?s shot. ?LOL! He?s gonna pay 4 that!? the Chi-town MC later joked. The East won 86-54.