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, and the power of laughter was a method of perseverance. Green Day opened up the benefit concert and were quickly joined by Eilish for a performance of the band's "Last Night on Earth" from their 2009 album "21st Century Breakdown.

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.

The FireAid benefit was fueled by some of music’s best performers to raise money for Los Angeles-area wildfire relief efforts.

Green Day opened the show with their song “Last Night on Earth,” featuring a surprise appearance by Billie Eilish, and then followed up with their anthem “Still Breathing”