The surviving members of Nirvana reunited for a surprise performance at the FireAid benefit concert in Los Angeles, ...

FireAid, a sprawling benefit concert for wildfire relief, featured Joni Mitchell, Stevie Wonder, Billie Eilish, Lady Gaga, members of Nirvana and dozens more.

The star-studded gigs included surprise appearances from a raft of celebrities, including St. Vincent and Dr. Dre.

Billie Eilish sang with Green Day and Stevie Nicks thanked the firefighters who saved her home at two star-studded concerts ...

St. Vincent performs with Krist Novoselic of Nirvana onstage during the FireAid Benefit Concert for California Fire Relief. (John Shearer/Getty Images for FireAid) ...

FireAid took over The Forum and Intuit Dome on Thursday night with two stacked lineups supporting wildfire relief and ...

Mikael Wood and August Brown are at Inglewood's Intuit Dome and Kia Forum for the FireAid benefit concerts starring Billie ...

The two-venue FireAid Benefit Concert was held in Los Angeles on Thursday night to help raise money for the Southern ...

Sting, Billie Eilish, Rod Stewart, Stevie Wonder and Lady Gaga were among a host of A-list headliners taking part in a ...

Red Hot Chili Peppers were the last to take the stage at the Kia Forum at the FireAid benefit show for Los Angeles wildfire ...

Stevie Nicks thought her home was gone when she evacuated the Pacific Palisades due to the raging wildfire this month.

Follow live updates on the FireAid benefit concert, which will feature performances from Billie Eilish, Lady Gaga and more, as they raise money for Los Angeles-area wildfire victims.