Two of the evening top-billed acts, Billie Eilish and Green Day, decided to sneak in an onstage duet. As the band geared up to play their beloved 21st Century Breakdown track “Last Night On Earth,” Eilish shocked viewers by picking up a microphone ahead of her set.

One of the great challenges faced by the events during Grammy Week, including the FireAid benefit, is how to set the proper tone: How do you have a celebratory event like big concert or awards show without seeming tone-deaf to the tragedy and loss so many suffered in the Los Angeles wildfires that ravaged the

FireAid, featuring Billie Eilish, Lady Gaga, Sting, Red Hot Chili Peppers and others in a fundraiser for Los Angeles-area wildfire relief efforts, is the latest event to combine music and philanthropy.

The star-studded January 30 event is dedicated to rebuilding communities that have been devastated by wildfires

Pop stars and survivors graced the stage at the FireAid benefit concert at two venues in California. The benefit aims to raise money for rescue efforts for the Los Angeles fires.

FireAid is a star-studded benefit concert organized for Los Angeles-area wildfire relief. It will take over the Intuit Dome and Kia Forum on Jan. 30th.