Two concerts collectively referred to as FireAid kicked off at the Kia Forum and the Intuit Dome 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,

Audiences tuning into the FireAid benefit concert for Los Angeles on Thursday night (Jan. 30) were surprised with an early treat when pop superstar Billie Eilish made a surprise appearance alongside Billie Joe Armstrong and the rest of Green Day for a stirring opening performance.

Los Angeles Clippers owner Steve Ballmer and his wife Connie will match all donations made during Thursday night's live broadcast, doubling the proceeds. Actor Billy Crystal noted that because of their pledge,