The “Shallow” singer closed out the star-studded benefit concert with a song she co-wrote for the show with her fiancé, Michael Polansky.

Take a look at some of the most special moments from FireAid below. Remaining Nirvana members reunited with special guests.

Listen to P!nk Radio,Lady Gaga Radio and more on the free Audacy app One of many artists who performed, P!NK took the stage ...

Pink, who always dials it up to 100, performed Janis Joplin's “Me and Bobby McGee” and Led Zeppelin's “Babe I'm Gonna Leave ...

Pop stars, first responders, rock stars and those who’ve lost everything in the devastating LA-area wildfires came together ...

Katy Perry shared her thoughts on Carrie Underwood's new role as 'American Idol' judge, expressing confidence in her ability to guide aspiring artists ...

U2, whose members include Bono and the Edge, committed during the event to donating $1 million to the relief efforts. Steve ...

After joining Green Day for their FireAid-opening set at the Kia Forum earlier Thursday night (Jan. 30), Billie Eilish took ...

Red Hot Chili Peppers were the last to take the stage at the Kia Forum at the FireAid benefit show for Los Angeles wildfire ...

Follow live updates on the FireAid benefit concert, which will feature performances from Billie Eilish, Lady Gaga and more, as they raise money for Los Angeles-area wildfire victims.