Charli XCX and Lorde surprised fans with a live performance of their remix "Girl, so confusing" at Charli's sold-out Madison Square Garden show. The duo strutted the stage in sync, thrilling the crowd during Charli's “Sweat Tour” with Troye Sivan. Addison Rae also made a special appearance to debut her new single "Diet Pepsi" and joined Charli and Troye for the "Von Dutch" remix. In the upcoming week, the tour continues in Philadelphia, Baltimore, Boston, and Chicago.