Lorde and Addison Rae join Charli XCX onstage at Madison Square Garden Sweat Tour stop
Lorde thrilled fans when she made an unexpected appearance at Charli XCX's Sweat tour stop at Madison Square Garden in New York City on Monday night. The two artists teamed up for a live performance of their remix, "Girl, So Confusing," marking the first time they had performed the track together in front of a live audience.