Though her ongoing legal battle against Sony and Lukasz “Dr. Luke” Gottwald has kept her out of the studio, Kesha recently announced she’d begin making her way back to the stage. The Warrior singer has performed at a handful of smaller shows in the last year, as well as booked dates at festivals including Nashville’s Dylan Fest. But she surprised fans and Coachella attendees when she joined electro-house artist and producer Zedd onstage at the Indio, California festival on Saturday.