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.

The members of No Doubt -- Gwen Stefani, Tom Dumont, Tony Kanal and Adrian Young -- reunited at FireAid Thursday night and ...

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

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 ...

No Doubt played a brief but exhilarating set at the FireAid concert on Thursday, tearing through three classics in less than ...

Leave it to Billy Crystal to both tug our heartstrings and give us permission to laugh in the devastating aftermath of the Los Angeles fires.