Rod Stewart, Katy Perry and Lady Gaga were just some of the famous faces who performed at FireAid on Thursday, a benefit concert raising money for those affected by the devastating Los Angeles wildfires.

Billie Eilish, Pink, Katy Perry, Nirvana and Dr Dre were among the stars who performed at FireAid on Thursday, a benefit concert in Los Angeles to help the area recover from two of the largest fires in its history.

The two-venue FireAid Benefit Concert was held in Los Angeles on Thursday night to help raise money for the Southern California communities affected by the devastating fires that ignited earlier 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.

The FireAid concert witnessed some mic-dropping performances from a dazzling array of music legends and A-list performers including Katy Perry, Lady Gaga, P!nk, Rod Stewart, Billie Eilish, and Nirvana.

Proceeds raised by the FireAid benefit concert will help those affected by the wildfires by raising money "for rebuilding communities devastated by wildfires and supporting efforts to prevent future fire disasters throughout Southern California," according to a press release.

Billie Eilish, Dr. Dre, Stevie Wonder, Green Day, Joni Mitchell, No Doubt and the remaining members of Nirvana all performed.

DAVE Grohl, Krist Novoselic and Pat Smear turned back the clock as they reformed Nirvana for FireAid in Los Angeles. The band — which split in 1994 after the death of lead singer Kurt Cobain —

Gaga altered lyrics to "Always Remember Us This Way" as she performed in support of relief efforts for the wildfires: "I love you CALIFORNIA," she later posted.

Take a look at some of the most special moments from FireAid below. Remaining Nirvana members reunited with special guests. Nirvana drummer Dave Grohl, bassist Krist Novoselic, rh

The members of No Doubt -- Gwen Stefani, Tom Dumont, Tony Kanal and Adrian Young -- reunited at FireAid Thursday night and sang some of their biggest hits, including "Just a Girl," "Spiderwebs" and "Don't Speak."

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