Billie Eilish, Lady Gaga and more stars have joined the Los Angeles FireAid benefit concert bill supporting victims of the wildfires. Details.

Music's biggest names are joining forces for a pair of FireAid benefit concerts to support those displaced by the recent and ongoing wildfires. Katy Perry, John Mayer, Lady Gaga, Billie Eilish and Gwen Stefani were among the A-Listers tapped to perform at the two upcoming shows,

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.