Surviving Nirvana members Dave Grohl and Krist Novoselic and former touring guitarist Pat Smear reunited at the California wildfires benefit concert FireAid on Thursday night. They played four Nirvana classics with the help of some guest vocalists.

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.

Nirvana surprised an unsuspecting crowd when the band's surviving members reunited Thursday at LA's FireAid benefit concert with a cast of singers.

A rotating group of women vocalists joined the surviving members of the legendary '90s band for a raucous reunion set.

In the past few weeks, people have been planning many, many benefits for the victims of the recent Los Angeles wildfires. The biggest of those shows went down last night: FireAid, a gigantic all-star spectacular that took over both the Intuit Dome and the Kia Forum.

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

Dave Grohl, Krist Novoselic and Pat Smear reunited and were helped by variety of guest vocalists for a Nirvana performance at the FireAid benefit concert.

The band also brought out Dave Grohl's 18-year-old daughter, Violet Grohl, to wrap up the set with an emotional rendition of "All Apologies"

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

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 during their set at the Thursday,

FireAid featured spectacular performances to raise funds for those affected by the devastating LA-area wildfires. Find out more about the concert and how to watch here.