Thursday: Rollerskates and Rainouts

​Muse, Lorde, Cage the Elephant, Wiz Khalifa

Friday: Hometown Heroes and a Killer Crowd

The Killers, Blink-182, Run the Jewels

Saturday: Ice Carving and Celeb Spotting

Chance the Rapper, the XX, Alt-J

Sunday: Cover Central and Teen Mayhem

Arcade Fire, Justice, Big Sean

The Most Stylish People We Saw at Lollapalooza

Photos from the Fest