Billie Eilish made a surprise appearance on stage with Green Day on Thursday to kick off one of two star-studded concerts in Los Angeles put together to raise funds for people affected by deadly wildfires in California this month.

Lady Gaga and her fiancé Michael Polansky wrote All I Need is Time for the FireAid benefit concert in Los Angeles - and she was emotional while performing it on stage

On Jan. 30 the epic six-hour FireAid benefit concert to raise funds for wildfire relief, rebuilding, and fire prevention efforts aired and streamed simultaneously across Amazon Prime Video, Apple TV+,

U2, whose members include Bono and the Edge, committed during the event to donating $1 million to the relief efforts. Steve Ballmer, former Microsoft CEO and current owner of the Los Angeles Clippers, and his wife, Connie, also pledged to match that donation and all donations made during the live broadcast of FireAid.

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.

The FireAid concert witnessed some mic-dropping performances from a dazzling array of music legends and A-list performers including Katy Perry, Lady Gaga, P!nk, Rod Stewart, Billie Eilish, and Nirvana.

Between performances, survivors of the LA wildfire, which has killed 28 people, shared their experiences of losing their homes.

Sting, Billie Eilish, Rod Stewart, Stevie Wonder and Lady Gaga were among a host of A-list headliners taking part in a benefit concert for victims of the recent devastating LA wildfires on Thursday.

The Sun rises over homes destroyed by the Palisades Fire in the Pacific Palisades ... Friday, Dec. 2, 2022, Lady Gaga attending the Critics Choice Awards celebration at The Savoy Hotel on Sunday ...