Joni Mitchell took the stage at the Kia Forum alongside Alanis Morissette, Green Day, John Mayer and more for the FireAid ...

Lady Gaga closed the FireAid concert in Los Angeles with a live performance of her hit "Shallow" and a brand new song written ...

Featuring a Nirvana reunion, a surprise appearance by Dr. Dre and a stirring performance of 'Both Sides Now' by Joni Mitchell ...

The all-star FireAid benefit in Los Angeles began with Green Day and Billie Eilish teaming up for the 'American Idiot' deep ...