All Time Low have been announced as headliners for Slam Dunk 2013.
"We're always excited to come to the UK," says frontman Alex Gaskarth. "It's never dull over there. This is going to be phenomenal!"
The pop punk festival - which has added a third venue in Wolverhampton to next year's bash - will also feature sets from The Wonder Years, Four Year Strong, Pierce The Veil, The Early November, Fireworks, The Story So Far, Senses Fail, The Skints, Polar Bear Club, Streetlight Manifesto and Woe, Is Me.
Slam Dunk 2013 will take place at the following venues:
25 Leeds University
26 Hertfordshire University, Hatfield
27 Wolverhampton Civic
Tickets go on sale from 10am on Friday, December 7 from slamdunkmusic.com/tickets.