Dizzee Rascal and Plan B are the first headliners to be announced for Belsonic 2011.

The festival, which runs over a number of nights in August in Belfast, last year sold in excess of 40,000 tickets for memorable performances by Florence & The Machine, David Guetta, Biffy Clyro and Paolo Nutini among others.

Mercury prize winning rapper Dizzee Rascal will return to Belsonic after his 2009 set for a show on Wednesday August 17th 2011. Meanwhile, rapping soul singer Ben Drew, AKA Plan B, will play on Thursday August 25th.

Tickets for Dizzee Rascal & Plan B go onsale from www.belsonic.com, Ticketmaster Outlets, www.ticketmaster.ie and The Stiff Kitten at 9am on Friday December 17th 2010, priced from £31.50 including booking fee.