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

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"

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.

After almost six hours of FireAid, Lady Gaga ended the historic Los Angeles event by debuting a new song co-written with her fiance Michael Polansky, an upbeat number that she said was “just for tonight.”

FireAid benefit concert, Lady Gaga left her mark by debuting a brand-new song written with her fiancé, Michael Polansky, for the victims of the Los Angeles wildfires. "Me and my friend Michael - my fiancé,