Hot Chip and Mark Ronson have been added to the line up for the Gatecrasher Summer Sound System.
Hot Chip will play a full live show on the festival's main stage, while Brit winner Mark Ronson will DJ at the event.
Gatecrasher Summer Sound System takes place at Tureweston Aerodrome, Northamptonshire, on 24-25 May.
Other acts already confirmed include headliners The Prodigy and The Chemical Brothers, plus CSS, Dizzee Rascal, Simian Mobile Disco, Justice, Pendulum, Soulwax, Paul Van Dyk and more.
See the full line up HERE.
Tickerts are on sale now, priced £115 for the weekend or £59.50 for day tickets. Buy HERE.