Pop star Cyndi Lauper still just wants to have fun — and so, apparently, do her many fans. Delayed at a the Buenos Aires airport, Lauper allowed staff to cajole her to the P.A. system microphone to lead her fans in an impromptu sing-a-long of her hit song “Girls Just Wanna Have Fun.”

Watch her belt it out below, in a video uploaded to YouTube on March 4, 2011.