Dozens of stars will take to the stage in the two-venue extravaganza, which aims to raise money for those affected by this month's fires.

Green Day kicked off the massive FireAid benefit concert Thursday night, a two-venue concert extravaganza that is raising money for Los Angeles-area wildfire relief efforts.

Billie Eilish and Finneas, Olivia Rodrigo, Earth, Wind & Fire, Gracie Abrams, Green Day, Jelly Roll, Joni Mitchell, Katy Perry, Lady Gaga, Lil Baby, Pink, Red Hot Chili Peppers, Rod Stewart, Sting, Stevie Nicks and Tate McRae are among those performing at the dueling shows at L.