01/31/2011 AT 04:00 PM EST
traded in her platform heels for a pair of bowling shoes during a fun outing with beau Luc Carl
at Bowlmor Times Square in N.Y.C. The pop star and her man took over the private fourth floor of the bowling alley, and took shots of whiskey. When she wasn't flirting with Carl, Gaga proved her bowling prowess, throwing spares and and strikes all night long, says a source.