Gwen Stefani's No Doubt is reuniting for the FireAid benefit concert to raise money for those most affected by the Los Angeles wildfires.

They’ve announced the initial lineup for the shows, which includes Billie Eilish and FINNEAS, Green Day, Gwen Stefani, Jelly Roll, Katy Perry, Lady Gaga, Lil Baby, P!nk, Red Hot Chili Peppers, Stevie Nicks,

Olivia Rodrigo, Billie Eilish and Finneas, Lady Gaga, Gracie Abrams, and more musicians are coming together to support those impacted by the Los Angeles wildfires and support the city the entertainment industry calls home.

Tate McRae, Gwen Stefani and Katy Perry are also set to take the stage for the benefit show, as will John Mayer and Dave Matthews performing together for the first time.

Dave Matthews and former Berklee School of Music student John Mayer will perform live together for the first time at FireAid.

Adrian Young, Tom Dumont, Gwen Stefani, and Tony Kanal of No Doubt ... On Thursday, Live Nation announced Lady Gaga, Billie Eilish and Finneas, Jelly Roll and Green Day as some of the headliners ...

The comedians will take the stage at the Wiltern theater on Jan. 27, with all proceeds benefiting the Wildfire Relief Program.

Billie Eilish, Lady Gaga, Stevie Nicks, Stevie Wonder, and John Mayer are only a few of the artists featured on the upcoming FireAid concert lineup. Find out who else is performing, how to stream the event,

Billie Eilish and Finneas, Lady Gaga, Joni Mitchell and Red Hot Chili Peppers are among the headlining acts.

Sting, Billie Eilish, Lady Gaga, the Red Hot Chili Peppers are among the performers slated to take the stage at FireAid, a benefit concert for Los Angeles-area wildfire relief.

The biggest names in pop, rock and country are coming together to raise funds for victims of the Palisades and Eaton wildfires and assist with the recovery.