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.

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.

FireAid LA brought together a powerhouse lineup at the Kia Forum and Intuit Dome in Inglewood to support relief efforts for the devastating wildfires that have claimed 29 lives and caused billions in damage.