Dave Grohl Joins Billie Eilish Onstage to Duet Foo Fighters’ ‘My Hero’ for Taylor HawkinsDave Grohl Joins Billie Eilish Onstage to Duet Foo Fighters’ ‘My Hero’ for Taylor HawkinsGrohl was one of two special guests Eilish invited onstage at her headlining L.A. show.Joe DiVitaJoe DiVita