BBC Radio One DJ's Annie Mac and Pete Tong have both been confirmed for South West Four Weekender (SW4) 2011.
Wretch32, John Digweed, James Zabiela and many more have also been added to the 2011 line up.
The two day dance and electronica celebration takes place in Clapham Common, London from 27- 28 August. The new additions join the likes of Underworld, Pendulum, Magnetic Man and many more bands who have already been confirmed.
Click here for the latest South West Four Festival line up.
South West Four Weekender (SW4) 2011 saver tickets are priced at £85.
Click here to buy South West Four Festival tickets.