A new song from Lady Gaga, an appearance from Kamala Harris, Olivia Rodrigo, Tate McRae, Stevie Nicks, a Nirvana all-star jam, and so much more. The city of L.A. got together at two arenas to raise money after the recent wildfires.

Billie Eilish sang with Green Day and Stevie Nicks thanked the firefighters who saved her home at two star-studded concerts on Thursday to raise money for wildfire relief in Los Angeles. The FireAid benefit featured surprise pairings and generation-spanning acts,

The members of No Doubt -- Gwen Stefani, Tom Dumont, Tony Kanal and Adrian Young -- reunited at FireAid Thursday night and sang some of their biggest hits, including "Just a Girl," "Spiderwebs" and "Don't Speak."