These days, every famous person is friends with every other famous person, and we get stark and mostly-inexplicable reminders of that every day. So here’s today’s: On Saturday night, at a benefit show in New York, St. Vincent’s Annie Clark and Sleigh Bells’ Alexis Krauss joined Cyndi Lauper onstage to sing “Girls Just Wanna Have Fun,” while Rosie O’Donnell played a Sheila E-looking stand-up drum kit. Watch a fan-made video below.

Cyndi Lauper still looks like she’s enjoying herself more than any of us.