Billie Eilish made a surprise appearance on stage with Green Day on Thursday to kick off one of two star-studded concerts in Los Angeles put together to raise funds for people affected by deadly wildfires in California this month.

St. Vincent performs with Krist Novoselic of Nirvana onstage during the FireAid Benefit Concert for California Fire Relief. (John Shearer/Getty Images for FireAid)

Tate McRae, No Doubt, Katy Perry, Alanis Morissette, Anderson .Paak, Dawes, Graham Nash, John Fogerty, Peso Pluma, Stevie Wonder and the Black Crowes are also set to take the stage for the benefit show,

Billie Eilish and her brother Finneas performed three 'Hit Me Hard and Soft' songs at the FireAid benefit concert in Los Angeles. Get the details.

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 Eilish,

The FireAid 2025 concert unites 28 top artists including Billie Eilish, Stevie Wonder, Katy Perry, and more, to raise funds for the Los Angeles wildfi

A cavalcade of enormous rock and pop stars, old and new, will perform at an enormous benefit concert in Los Angeles, and streamed around the world.

While the fires are largely contained now, the road to recovery for many is only now just beginning. World of music came together to lift spirits and raise money for those impacted with night of songs.

FireAid—a benefit concert for victims of the L.A. wildfires featuring Lady Gaga, Olivia Rodrigo, Billie Eilish, Jelly Roll and several others is this week. Find out when you can watch it and where.

Sting, Billie Eilish, Rod Stewart, Stevie Wonder and Lady Gaga are among the stars performing at a huge benefit concert in Los Angeles to help the area recover from recent devastating wildfires.

Some of the biggest names in music will come together on Thursday to raise money for Los Angeles-area wildfire relief efforts.