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.

Two of the evening top-billed acts, Billie Eilish and Green Day, decided to sneak in an onstage duet. As the band geared up to play their beloved 21st Century Breakdown track “Last Night On Earth,” Eilish shocked viewers by picking up a microphone ahead of her set.

Kelly Clarkson performed Billie Eilish's hit "Birds of a Feather" for the Kellyoke segment of her NBC talk show on Jan. 29. The song earned three nominations for the upcoming 2025 Grammy Awards, set to go down in Los Angeles on Feb.

"L.A. is my favorite place in the world and my only home," Eilish told the crowd. "We grew up here, and I care about it so much"

Katy Perry, Billie Eilish, and Nirvana, music icons who rule the music industry with their vocals talent, recently teamed up for an unforgettable night at FireAid, star-studded event which aimed

FireAid, featuring Billie Eilish, Lady Gaga, Sting, Red Hot Chili Peppers and others in a fundraiser for Los Angeles-area wildfire relief efforts, is the latest event to combine music and philanthropy.

Hans Zimmer's work will be brought to the live stage and feature a star-studded lineup that includes Billie Eilish, Timothée Chalamet, and Zendaya.

The FireAid benefit was fueled by some of music’s best performers to raise money for Los Angeles-area wildfire relief efforts.

Billie Eilish joined Green Day on 'Last Night on Earth' to kick off the FireAid concerts in Los Angeles to benefit wildfire relief in the city.

"California, Los Angeles, Altadena, the Palisades - we are in this together," Green Day's frontman Billie Joe Armstrong screamed to a sold-out crowd at L.A.'s Kia Forum on Thursday for the FireAid wildfire benefit concert.

Olivia Rodrigo and Billie Eilish led a roster of stars who brought the down house at Thursday's FireAid benefit concert in Los Angeles.