"It's just this amazing thing when a peer throws the gauntlet down like that," the two-time Grammy winner said in reference to the success of Charli's sixth studio album.

After working it out on the remix with Charli xcx, Lorde knew she had to work even harder on her own album to match the level of creative ingenuity her collaborator demonstrated on Brat.

“It’s really hard to let go of brat and let go of this thing that is so inherently me and become my entire life.”