Billie Eilish, Katy Perry, and Gracie Abrams join a star-studded roster of musicians performing at the FireAid relief concert for victims of the LA wildfires.

Marleen Moise/WireImage Gracie Abrams is speaking out after a fan started a petition to replace the opening act for her upcoming tour dates, calling the move "so wildly uncool and bizarre."

Raising money to help rebuild communities devastated by fire, a line-up of stars will be appearing live in LA later this month

Billie Eilish, Katy Perry and Lady Gaga are among the artists headlining the FireAid concert to help those affected by the California wildfires.

Billie Eilish, Lady Gaga, Katy Perry are leading the lineup of charity concert for the wildfire relief.British stars Sir Rod Stewart and Sting will also join the A-listers for the show to aid the wildfire relief efforts in California.

Green Day and Billie Eilish kicked off the massive FireAid benefit concert Thursday night, a two-venue concert extravaganza that is raising money for Los Angeles-area wildfire relief efforts. FireAid

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

The first of two concerts collectively being referred to as FireAid just 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,

American Idol alum Katy Perry shared her thoughts on past winner Carrie Underwood replacing her as judge on the singing competition series, which airs March 9 on ABC.

There’s a bit of a paradox to these. The sort of people who follow music — say, by reading pop music columns — have probably known about many featured artists for a while. The sort of people who don’t follow music probably aren’t following early awards-show announcements or internet music roundups.

A lineup of A-list artists is set to perform in the FireAid concert on Thursday, Jan. 30, benefiting the victims of the deadly Los Angeles wildfires . Billie Eilish, Olivia Rodrigo, Lady Gaga, Jelly Roll, and Stevie Wonder are some of the mega stars slated to take the stage.

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.