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.

St. Vincent, Joan Jett and Kim Gordon joined Pat Smear and original Nirvana members Dave Grohl and Krist Novoselic onstage for a reunion of sorts at FireAid Thursday. Violet, Jett, and Gordon each subbed in for the late Kurt Cobain.

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.

FireAid had some surprises in store, but none bigger than the first reunion from Nirvana's surviving members in over a decade.

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.

Violet Grohl joined her father, Dave Grohl, and his former Nirvana members for a performance of ‘All Apologies’ at the FireAid benefit concert

Joan Jett, Kim Gordon and St. Vincent also joined Dave Grohl, Krist Novoselic and Pat Smear onstage at the charity fundraiser in Los Angeles

The surviving members of Nirvana reunited for a surprise performance at the FireAid benefit concert in Los Angeles, California last night (January 30th), with the grunge icons having hit the stage to play a few classic songs alongside guest musicians St. Vincent, Kim Gordon, Joan Jett, and Violet Grohl.

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 performed at the star-studded benefit, alongside Green Day, Billie Eilish, Lady Gaga, Red Hot Chili Peppers and loads of others

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"