The FireAid benefit concert, a one-night-only event, was held at the Intuit Dome and the Kia Forum in Los Angeles, with performances at each venue. Billie Eilish, Earth, Wind and Fire, Gracie Abrams,

Billie Joe Armstrong and Billie Eilish. Green Day got things started at the Kia Forum, where they surprised fans with Eilish to help them perform, "Last Night on Earth" from 2009's 21st Century Breakdown.

Green Day kicked off the massive FireAid benefit concert Thursday night, a two-venue concert extravaganza that is raising money for Los