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

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.

FireAid, a star-studded benefit concert raised millions for LA wildfire victims. The event featured emotional performances, including a surprise Nirvana reunion, Lady Gaga debuting a new song, and Billy Crystal hosting with humor.

Lady Gaga will make Grammy history if "Die with a Smile" with Bruno Mars wins Best Pop Duo/Group Performance, as she'll be the first three-time champion.

Sting, Billie Eilish, Rod Stewart, Stevie Wonder and Lady Gaga are among the stars performing at a huge benefit concert in Los Angeles to help the area recover from recent devastating wildfires.

FireAid, featuring Billie Eilish, Lady Gaga, Sting, Red Hot Chili Peppers and others in a fundraiser for Los Angeles-area wildfire relief efforts, is the latest event to combine music and philanthropy

Lady Gaga announces her return to pop music with ‘Mayhem,’ a 14-track album that includes the singles 'Disease' and 'Die With a Smile.'

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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.

Mikael Wood and August Brown are at Inglewood's Intuit Dome and Kia Forum for the FireAid benefit concerts starring Billie Eilish, Lady Gaga, Green Day and Stevie Wonder, among many others.

Pop stars, rock legends, first responders, and survivors of the devastating Los Angeles-area wildfires came together for FireAid, a benefit concert to help the area recover.