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.

Thursday night's FireAid concert opened up with performances by Green Day, Billie Eilish, Alanis Morisette, Anderson .Paak and Dr. Dre. Comedian and actor Billy Crystal also shared a moving story about the loss of the home he's lived in with his family for 46 years,

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.