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."

Dr. Dre made a surprise appearance at the FireAid benefit concert alongside frequent collaborator Anderson .Paak and performed several classics. As reported by The Los Angeles Times, the star-studded benefit featured a number of surprise guests,

As if Anderson .Paak didn't bring enough energy to the FireAid benefit concert at the Kia Forum on Thursday night (Jan. 30), the star turned up the hype meter even more when he brought our Dr. Dre for a celebratory,

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.

Pink, who always dials it up to 100, performed Janis Joplin's “Me and Bobby McGee” and Led Zeppelin's “Babe I'm Gonna Leave You.” While introducing John Mayer, she addresses the crowd: “Ladies and gentlemen, and every other gender which absolutely exists,” seemingly a reference to President Trump's “two gender” declaration.

Olivia Rodrigo, Billie Eilish, Lady Gaga, Jelly Roll to Perform at FireAid Benefit Concert for L.A. Wildfire Victims Tate McRae, No Doubt, Katy Perry, Alanis Morissette, Anderson .Paak, Dawes ...

Between performances, survivors of the LA wildfire, which has killed 28 people, shared their experiences of losing their homes.

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.

They join a lineup that already included Billie Eilish and Finneas; Dave Matthews and John Mayer; Earth, Wind & Fire; Gracie Abrams; Green Day; Gwen Stefani; Jelly Roll; Joni Mitchell; Katy Perry; Lady Gaga; Lil Baby; Pink; Red Hot Chili Peppers; Rod Stewart; Sting; Stephen Stills; Stevie Nicks; and Tate McRae.

The FireAid concert in Los Angeles featured over two dozen artists, including Lady Gaga, raising funds for wildfire victims.

Nirvana, Lady Gaga, Billie Eilish, Green Day, Stevie Nicks, No Doubt and more performed at the Los Angeles benefit concert FireAid.