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

An absolute highlight of FireAid was the comet-like reappearance of the remaining members of Nirvana onstage together playing the band's songs again.

At FireAid, the surviving members of Nirvana recruited St, Vincent, Kim Gordon, Joan Jett, and more to fill Kurt Cobain's shoes.

A trio of singers filled in for Kurt Cobain as Dave Grohl, Pat Smear and Krist Novoselic performed "Breed," "School" and "Territorial Pissings.” ...

Dave Grohl performed alongside his oldest daughter Violet Grohl, whom he shares with Jordyn Blum, four months after revealing ...

Dave Grohl turned his FireAid concert Nirvana reunion into a family affair. Grohl, 56, and his fellow surviving Nirvana members, Krist Novoselic and Pat Smear, were joined by several celebrity guests ...

From surprise guests to touching moments of humility, here were the most memorable moments from the Jan. 30 FireAid benefit ...

During the star-studded musical fundraiser FireAid in Los Angeles, the surviving original members of Nirvana (Krist Novoselic ...

Green Day and Billie Eilish kicked off the massive FireAid benefit concert, a two-venue concert extravaganza that raised money for Los Angeles-area wildfire relief efforts.

FireAid, a sprawling benefit concert for wildfire relief, featured Joni Mitchell, Stevie Wonder, Billie Eilish, Lady Gaga, ...

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

The surviving members of Nirvana — drummer Dave Grohl and bassist Krist Novoselic, as well as touring guitarist Pat Smear — reunited for the first time in five years at the FireAid benefit concert.