Seen in videos online from Coachella, Billie Eilish was encouraged by Justin Bieber’s wife, Hailey Bieber, to go on stage for the song. Billie, in shambles, then runs on stage to be serenaded by Bieber, but can hardly stand, as it’s a dream come true for her.

The pop star transformed the normal act of browsing your laptop into something interesting—and unsettling.

Sabrina Carpenter stacked her set with unexpected cameos from actors like Will Ferrell and Susan Sarandon, with almost sketch-like moments that quickly made the rounds online.