Video: Novak Djokovic doing Gangnam style dance with Serena Williams

Serbian professional tennis player Novak Djokovic is known to be an entertainer on the court, and not just with his tennis. Whether it be imitating other players or dancing on the court, the Serb is always fun to watch. Watch him here dancing in Gangnam style with Serena Williams in Kids Tennis Day in Australian Open 2013.