The temporary band leads included Kim Gordon, St. Vincent, Joan Jett and Grohl’s 18-year-old daughter Violet, who he shares with wife Jordyn Blum. Singing the last song for the group, Novoselic walked to the mic and introduced Violet onto the stage before performing their classic 1993 hit “All Apologies.”

Violet Grohl surprised fans by joining her dad and the surviving members of Nirvana on stage at the FireAid Los Angeles Benefit Concert on Thursday night

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

Dave Grohl and Nirvana stunned fans on Thursday as they performed surprise songs at the FireAid concert in LA, before Dave's teen daughter joined him on stage

Then came what was perhaps the biggest surprise: Violet Grohl, Dave’s 18-year-old daughter, singing lead vocals on Nirvana’s In Utero highlight “All Apologies.” Her vocals were strong and well-suited for the song, and while the magnitude of the Kia Forum’s crowd wasn’t lost on her, she was remarkably comfortable in front of the massive crowd.

The surviving members of Nirvana reunited at FireAid with guest vocalists St. Vincent, Kim Gordon, Joan Jett and Violet Grohl.

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

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.