Sworn In vocalist, Tyler Dennen

Photographer: Lily McLaughlin

So What?! Festival gathered some of the scene's biggest acts for a weekend of awesomeness and chaos.

From Every Time I Die to Cute Is What We Aim For to Mayday Parade, AP went behind the scenes with your favorite bands.

Check out some of the sickest shots from on stage and off at the festival, and tell us who you want to headline next year in the comments!