Green Day and Billie Eilish kicked off the massive FireAid benefit concert, a two-venue concert extravaganza that raised money for Los Angeles-area wildfire relief efforts.

Take a look at some of the most special moments from FireAid below. Remaining Nirvana members reunited with special guests.

Billie Joe Armstrong and Billie Eilish. Green Day got things started at the Kia Forum, where they surprised fans with Eilish ...

The members of No Doubt -- Gwen Stefani, Tom Dumont, Tony Kanal and Adrian Young -- reunited at FireAid Thursday night and ...

Backstreet Boys, Miley Cyrus and Chris Martin have been booked to perform at the "SNL 50: Homecoming Concert" in New York on ...

The two-venue FireAid Benefit Concert was held in Los Angeles on Thursday night to help raise money for the Southern ...

Billie Eilish and Finneas performed acoustic renditions of "Wildflower," "The Greatest," and "Birds of a Feather" at FireAid.

Follow live updates on the FireAid benefit concert, which will feature performances from Billie Eilish, Lady Gaga and more, as they raise money for Los Angeles-area wildfire victims.

"From the bottom of our hearts, we love you Los Angeles," Billie Joe Armstrong told the crowd, "and we've got your back no ...

There are a bunch of benefit concerts for the LA wildfires coming up, and FireAid is the biggest. Taking place at both the Intuit Dome and Kia Forum in Inglewood, the event has Lady Gaga, Billie ...

FireAid—a benefit concert for victims of the L.A. wildfires featuring Lady Gaga, Olivia Rodrigo, Billie Eilish, Jelly Roll ...

FireAid is a star-studded benefit concert organized for Los Angeles-area wildfire relief. It is being produced by Shelli, ...