Billie Eilish and her brother and collaborator Finneas paid tribute to Altadena, which was one of the communities devastated in the Los Angeles fires. Performing against a backdrop of the San Gabriel Mountains and Eaton Canyon,

Billie Eilish, Lady Gaga, Stevie Nicks, Olivia Rodrigo and more performed for the FireAid Benefit Concerts for wildfire relief in Los Angeles on Thursday, Jan. 30. See the best photos from the shows here.

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."