10 Must-See Acts at Lollapalooza

It's the heart of summer, and that means it's nearly time for Lollapalooza. For the ninth straight year, the massive festival touches down in Chicago's Grant Park and, per usual, it comes equipped with a massively stacked lineup. Check out our picks for the 10 must-see acts, from Nine Inch Nails' triumphant return to breakout rap star Kendrick Lamar.

By Dan Hyman