Green Day headlined the final day of Lollapalooza 2022 in Chicago's Grant Park on Sunday, July 31st. The performance was part of their "Hella Mega Tour" and included a mix of classic hits and songs from their latest album. The setlist featured songs like "American Idiot", "Holiday", "Boulevard of Broken Dreams", and "Brain Stew". The show also included covers like "Rock and Roll All Nite" by KISS.