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.

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”

Billy Crystal was just one of the Hollywood stars that lost their homes in the wildfire that swept through Los Angeles, and he opened up about the devastation during the FireAid concert