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,

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. Eilish had already made a cameo to set off the event earlier in the evening,

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 massive LA wildfire benefit concert FireAid is happening in Inglewood right now at both the Intuit Dome and Kia Forum. At the latter, the night is starting off strong with Billie Eilish joining Green Day for 21st Century Breakdown’s “Last Night On Earth.

Billie Eilish joined Green Day on 'Last Night on Earth' to kick off the FireAid concerts in Los Angeles to benefit wildfire relief in the city.

Billie Eilish made an appearance during Green Day’s set at the FireAid concert on Jan. 30. The Grammy winner came out as the rock band was performing “Last Night on Earth” and sang a stunning rendition of the song with them.