I was thinking about this as I watched Charli and Troye Sivan ’s joint Sweat Tour hit absolute peak time with Lorde’s New ...

Charli XCX brought out Lorde for the ‘Girl, So Confusing’ remix during her Monday, September 23, show at Madison Square ...

Brat summer is technically over, but brat fall is just getting started thanks to Charli XCX and Troye Sivan's Sweat tour, ...

Charli XCX and Troye Sivan bring out Lorde and Addison Rae at Madison Square Garden in New York City. The surprise guests ...

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 ...

Their co-headlining trek hit Madison Square Garden in New York City.

On Monday evening, the duo took to Madison Square Garden and were joined on stage by Lorde, who performed "Girl, so Confusing ...

During Charli XCX's stop at Madison Square Garden with Troye Sivan for their Sweat tour, the "Von Dutch" singer was joined by Lorde and Addison Rae.

The “360” singer hosted a star-studded Sweat Tour afterparty Monday night, following her and Troye Sivan’s sold-out show at Madison Square Garden in New York City.

With September 22 in the rear view, BRAT Summer is officially, technically over. However, Charli XCX isn't going anywhere. She's got a BRAT remix album on the way, and her Sweat Tour with Troye Sivan ...

With September 22 in the rear view, BRAT Summer is officially, technically over. However, Charli XCX isn't going anywhere.