Lollapalooza 2022 Chicago Headlined by Metallica, Dua Lipa, Green Day, Doja Cat, MGK, Lil Baby & More Lollapalooza 2022 line up in Chicago has been announced. It will be held July 28-31 in Grant Park. The headliners are: Metallica Dua Lipa J. Cole Green Day Doja Cat Machine Gun Kelly Lil Baby KYGO Jane’s Addiction…