Khalid, Ozuna, Phoebe Bridgers, and Yaeji killed it from the jump.
Julia Michaels, who co-wrote the original song, adds a new verse to Bieber and BloodPop's collab.
The August 27 event will also include performances from Julia Michaels and Logic.
The vulnerable songwriter is making pop a weirder place.
Tracks we love right now. In no particular order.