Lollapalooza 2015 lineup announcedLollapalooza 2015 lineup announcedThe Lollapalooza 2015 lineup has been announced. Check it out below. The fest happens July 31 - August 2 in Grant Park. Tickets are on sale now, and single day passes go on sale at 10 AM CT...BrooklynVegan StaffBrooklynVegan Staff