NEW YORK: Justin Bieber put on a skateboard show at an exclusive Super Bowl party. According to New York Post gossip column Page Six, the singer, 19, performed tricks on his skateboard for guests at the Leather & Laces party at the Liberty Theatre hosted by supermodels Alessandra Ambrosio and Adriana Lima. Bieber arrived after 3am on Sunday morning, and was escorted to a private cabana which had been cleared of all alcohol. “Justin came with two handlers and asked party organizers if he could skate at the party,” a source said.–SN