Billie Eilish, Katy Perry, and Gracie Abrams join a star-studded roster of musicians performing at the FireAid relief concert for victims of the LA wildfires.

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

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.