Once again, Lollapalooza began with the strongest single-day lineup of the weekend, bringing the flower-crowned and tank-topped masses to Grant Park. The evening ended with sets from the Weeknd and Flying Lotus, but no one could compete with the draw of headliner Paul McCartney, whose performance filled the south field with what was easily one of the festival's largest crowds to date. Take a look at shots of the people and performers who showed up on Friday.
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