Green Day opened up the benefit concert and were quickly joined by Eilish for a performance of the band’s “Last Night on Earth” from their 2009 album “21st Century Breakdown.” Eilish departed the stage after the duet and Green Day continued with “Still Breathing” and “When I Come Around.”

As if Anderson .Paak didn't bring enough energy to the FireAid benefit concert at the Kia Forum on Thursday night (Jan. 30), the star turned up the hype meter even more when he brought our Dr. Dre for a celebratory,