RITA ORA JOINS ROB KARDASHIAN, WILMER VALDERRAMA FOR NIGHT OUT

UK songstress and Jay-Z protégé Rita Ora made an appearance Saturday at Lavo (Palazzo) with friends Rob Kardashian and actor Wilmer Valderrama. Ora gave a performance of her hit, "How We Do (Party)" and interacted with the crowd. After her performance, the group made a quick trip to Tao (Venetian). (Photos courtesy of Al Powers/Powers Imagery)