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.

Recap of FireAid LA from Billie Eilish, Gracie Abrams and Tate McRae to Katy Perry and all of the surprise guests.

Zayn Malik, Usher, Coldplay, Bad Bunny, Katy Perry, Shakira and Ed Sheeran are also among artists hitting the road.

Proceeds raised by the FireAid benefit concert will help those affected by the wildfires by raising money "for rebuilding ...

The FireAid concert witnessed some mic-dropping performances from a dazzling array of music legends and A-list performers ...