Green Day kicked off FireAid ... The band started things with the American Idiot deep cut “Last Night on Earth” and welcomed special guest Billie Eilish to perform onstage with them.

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

Taking to the stage at the Kia Forum, Green Day kicked off the star-studded benefit show with an emotional performance of “Last Night on Earth” from the band’s 2009 album 21st Century Breakdown.

The massive LA wildfire benefit concert FireAid is happening in Inglewood right now at both the Intuit Dome and Kia Forum. At ...

Scott Dudelson/Getty Images for FIREAID Billie Eilish and Green Day teamed up for a live rendition of ‘Last Night On Earth’ for the LA FireAid benefit concert last night (January 30).

Green Day and Billie Eilish provided a perfect answer ... after the band’s Billie Joe Armstrong sang the first verse of that song, “Last Night on Earth,” from the band’s 2009 album ...

"From the bottom of our hearts, we love you Los Angeles," Billie Joe Armstrong told the crowd, "and we've got your back no ...

Billie Eilish has joined Green Day onstage at the FireAid Benefit Concert. Watch their performance of “Last Night on Earth.” ...