updated 04/03/2014 AT 8:05 AM ET
•originally published 04/03/2014 AT 9:45 AM ET
Gaga imported the late-night crowd en masse to her gig, where she performed two songs. Her seven-night run at New York’s Roseland Ballroom is notable for two reasons: The shows are totally sold out, and after her last performance Monday, the historic venue is closing down for good.
Also – obviously – newsworthy: Gaga posed for a selfie with Bill Murray and Letterman, because well, wouldn’t you?