Lady Gaga Performs 'Ordinary Love' with U2 at MSG (Video)

Lady Gaga sits at the piano while performing the song “Ordinary Love” alongside U2 during a stop on the iNNOCENCE + eXPERIENCE Tour at Madison Square Garden on Sunday (July 26) in New York City.

“Oh my goodness gracious,” Bono said while introducing Gaga to the stage. “It’s yourself. Her Ladyness, her Gaganess is here this evening. That’s a treat. This is a song called ‘Ordinary Love’ written for the great Nelson Mandela.”

Gaga was in town after a stop on her own Cheek to Cheek Tour at the Borgata Event Center in Atlantic City, N.J. earlier in the weekend.