Check out four unforgettable collaborations that took place during the FireAid benefit concert, including a Stephen Stills-Graham Nash reunion and a duet between Stevie Wonder and Sting.

Just as FireAid hit the five-hour mark, Billie Eilish and her brother Finneas turned down the volume for an acoustic set as the night neared its end.

The Red Hot Chili Peppers wrapped up the Kia Forum portion of FireAid benefit concert with a medley of hits. Get the details ...

There were moments during Thursday night's epic FireAid concert/webcast that got off-point from the otherwise prevalent "We ...

Anderson .Paak and Dr. Dre performed "Still D.R.E" and "California Love" at the FireAid Benefit Concert for Los Angeles. Get the details.

Billie Eilish made a surprise appearance on stage with Green Day on Thursday to kick off one of two star-studded concerts in ...

As the night soldiered on, attendees at FireAid were treated to show-stopping moments from three-fourths of Nirvana reuniting ...

P!nk, Joni Mitchell, and Lady Gaga were just a few of the highlights in a night that also featured Nirvana, No Doubt, and ...

The FireAid benefit concert in Los Angeles, which featured star musicians including including Rod Stewart, Joni Mitchell, ...

Anyone jonesing for another taste of the No Doubt reunion that electrified the Coachella stage last year got their wish at ...

Recap of FireAid LA from Billie Eilish, Gracie Abrams and Tate McRae to Katy Perry and all of the surprise guests.