Billie Eilish took the stage again at the neighboring Intuit Dome for the benefit concert, this time with her brother Finneas. Introduced by Sting, who named himself a "devotee" of the singer's "exquisite voice,

Billie Eilish made a surprise appearance on stage with Green Day on Thursday to kick off one of two star-studded concerts in Los Angeles put together to raise funds for people affected by deadly wildfires in California this month.

The first of two concerts collectively being referred to as FireAid kicked off at the Kia Forum in the Los Angeles city of Inglewood, to support relief efforts in the wake of the deadly wildfires that ignited earlier this month in the LA area, claiming 29 lives and causing billions of dollars in damage.

Stars including Billie Eilish, Pink, Katy Perry, Nirvana and Dr Dre performed at FireAid on Thursday, a benefit concert in Los Angeles to help the area recover from two of the largest fires in its history.

A cavalcade of enormous rock and pop stars, old and new, will perform at an enormous benefit concert in Los Angeles, and streamed around the world.

Billie Eilish made a surprise appearance during Green Day's set at the FireAid benefit concert on Thursday night. The star-studded gigs were held simultaneously at the Intuit Dome and Kia Forum in Inglewood,