Following the dinner, the Tom Ford rapper stepped into Hakkasan night club in a blue suit around midnight, arriving with an entourage of about 85 (!) guests.Jay Z seemed to be having a blast throughout the night, sipping on D'USSE Cognac cocktails and dancing to hits spun by DJ Vice.He got particularly excited when the DJ played his latest collaboration with Beyonc??, Drunk in Love, cheering a