Billie Joe Armstrong is an American musician and actor. He is best known for being the lead vocalist, guitarist, and primary songwriter of the rock band Green Day, which he co-founded with Mike Dirnt in 1987. From Wikipedia
The light-hearted exchange included Charli’s ‘Miss Should Be Headliner’ sash, Green Day’s ‘Actual Headliner’ response, and political lyric changes during their headlining sets.
