MILWAUKEE, WISCONSIN - JULY 14: Billie Joe Armstrong of Green Day performs onstage during the Harley-Davidson's Homecoming Festival - Day 1 at Veterans Park on July 14, 2023 in Milwaukee, Wisconsin.

NEED TO KNOW Billie Joe Armstrong stopped a Green Day concert to confront a fan According to fan-captured footage on TikTok, the frontman stopped singing during his show and appeared to call out a ...