"California, Los Angeles, Altadena, the Palisades - we are in this together," Green Day's frontman Billie Joe Armstrong screamed to a sold-out crowd at L.A.'s Kia Forum on Thursday for the FireAid wildfire benefit concert.

FireAid, a star-studded benefit concert raised millions for LA wildfire victims. The event featured emotional performances, including a surprise Nirvana reunion, Lady Gaga debuting a new song, and Billy Crystal hosting with humor.

Pop stars, rock legends, first responders, and survivors of the devastating Los Angeles-area wildfires came together for FireAid, a benefit concert to help the area recover. View on euronews