Photo flashback: Mudapalooza 2011
Remember how fun that muddy dance party was on the last day of Lollapalooza last year? Remember how much damage it did to Grant Park? Let's take a look back at the dirty dance party. Check out Lollapalooza's full lineup here.
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Fans dance and wrestle in the mud while The Arctic Monkeys perform at Lollapalooza Sunday, August 7, 2011 in Chicago, IL.