WATCH: Watch Billie Eilish brings out Dave Grohl for an acoustic duet of “My Hero” during set in L.A.

Phoebe Bridgers also joined the mix!

Billie Eilish brought out Dave Grohl yesterday for an acoustic duet of the Foo Fighters hit “My Hero” at Los Angeles’ Kia Forum. Before they began singing, Grohl said, “Earlier this year, all of the Foo Fighters and our families gathered together at my house to watch the Grammys. And when Billie came out for her performance in the Taylor Hawkins T-shirt, the room was filled with real tears of love and gratitude.”

Later Billie Eilish brought out Phoebe Bridgers for an acoustic performance of “Motion Sickness.” Watch them both below!