Eric Prydz was the last unannounced headliner for this year's South West Four.

Prydz joined Above & Beyond, Alesso and Andy C, to make people mad arrange at the festival, which will take place on a sunny weekend in August.

Among other previously announced names: Artie, Booka Shade, Jamie Jones, Maceo Plex, MK and Skream.

Official website of the festival: http://www.southwestfour.com/