Milwaukee’s Summerfest Announces 2022 Headliners Festival Lineup Features Justin Bieber, Halsey, Machine Gun Kelly, Lil Wayne/Wiz Khalifa/Wu-Tang Clan, Backstreet Boys, Willow, Jason Aldean, The Black Crowes, Rod Stewart, Charli XCX, Thomas Rhett, Steve Miller Band, Anthony Hamilton, The Pretty Reckless, Violent Femmes, and more Summerfest presented by American Family Insurance is excited to announce over 100 headliners, […]