Dave Grohl, Billie Joe Armstrong and Billie Eilish Perform at iHeart Living Room Concert

The Elton John-hosted iHeart Living Room Concert took place tonight and featured a number of performances of quarantined artists. Dave Grohl, from Hawaii, beamed in an acoustic version of "My Hero." Meanwhile, Billie Eilish, along with her brother Finneas and Green Day's Billie Joe Armstrong (from West Contra Costa, California) performed stripped-down versions…