12/25/2011 at 05:00 PM EST
held court with husband Jay-Z
at New York club W.I.P. Work in Progress. The rapper was sipping on Voli vodka drinks – but Beyoncé kept busy on the dance floor. Even though she wasn't drinking
, the pop star was still having a ball, a source says. She and Jay-Z danced together to tunes spun by Q-Tip, who was deejaying for the night. Says the source: "Everyone seemed to be having a blast."