Charli xcx Brings Out Lorde as Surprise Guest During N.Y.C. Sweat Tour with Troye Sivan
Addison Rae also performed her single "Diet Pepsi" with Charli and SivanCharli xcx brought out all the "good ones" at the New York City Sweat Tour. On Sept. 24, the pop star, 32, had a few surprises in store for fans who attended her joint tour with co-headliner Troye Sivan at Madison Square Garden.