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

FireAid featured spectacular performances to raise funds for those affected by the devastating LA-area wildfires. Find out ...

Lady Gaga is known as Mother Monster to her adoring fans, but her latest outfit would work well for a matriarch of some chic coven. Or someone on their way to a late-night party at Berghain.

The “Shallow” singer closed out the star-studded benefit concert with a song she co-wrote for the show with her fiancé, Michael Polansky.

Lady Gaga sang a brand new song, two Billies performed together, and Nirvana reunited (with some special guests).

Take a look at some of the most special moments from FireAid below. Remaining Nirvana members reunited with special guests.

The members of No Doubt -- Gwen Stefani, Tom Dumont, Tony Kanal and Adrian Young -- reunited at FireAid Thursday night and ...

Billie Eilish hit the stage with Green Day, John Fogerty joined The Black Crowes and Crosby, Stills and Nash stars Stephen Stills and Graham Nash reunited for a rare performance together at the ...