"That's been a really interesting thing to observe and makes me very optimistic and excited about [what's next]," Finn Keane said.

The Brat era won’t officially be over until the culmination of the Brat Tour in August, but Charli XCX is already thinking about her next album.

Charli XCX brought Brat summer to the winter Grammys—and made it rain underwear—as she performed club classics “360” and “Guess,” turning the theater into her personal rave. The (unworn) underwear will be donated to survivors of domestic violence following tonight’s performance, according to a chyron displayed during the Grammys ceremony.

I wouldn’t bet on Charli XCX taking home the little Gramophone in either category — my money’s on Beyonce finally getting a Best Album Grammy for “Cowboy Carter."

Charli XCX has been “playing around” with ideas for new music. After taking over mainstream pop with her record-breaking album 'Brat' last year, the '360' hitmaker has been loosely discussing what’s next with her frequent collaborators,