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The 25th anniversary of Lollapalooza wrapped Sunday in Chicago’s Grant Park, where thousands of concertgoers — including Malia Obama and Sophia Bush — came out to see headliners including Radiohead, Major Lazer and Red Hot Chili Peppers. The four-day event sent music festival fashion into full effect with high-waisted short shorts, halter tops, printed jumpsuits, loose dresses, bright miniskirts and plenty of lace and fringe. Trendy young things finished their looks with Converse, flat sandals and ankle boots — ideal for running from set to set.

Sixties-inspired sunglasses and floppy hats kept the hippie vibe alive, while the ubiquitous flower crowns of years past took a backseat to metallic fake tattoos and braids, which became a social activity as groups of girls sat on the lawn braiding each other’s hair. For the guys, the uniform was shorts or skinny jeans with vintage band T-shirts or gauzy button-down shirts and hats.

Backstage, artists dressed to impress, showing that their image is just as important as their music. Luke Spiller, lead singer of the Struts, sported a floral shirt, fringed pants and an oversized hat, while his bandmates wore slim black pants. Rock and soul duo Muddy Magnolias wore distressed leather with studs and fringe, while Sunflower Bean’s Julia Cumming upped the fashion ante in a layered floral and plaid ensemble worn with printed sheer tights. You couldn’t miss rapper A$AP Ferg in his neon-orange camouflage utility jacket, cross-body bag and sporty track pants.