Kelis and
Faithless are among the acts who have been added to the line-up for next month's T4 On The Beach.
Gabriella Cilmi and Tinchy Stryder will also perform at the seafront event in Western-super-Mare on July 4.
Acts already due to appear include JLS, Dizzee Rascal, Alexandra Burke, Diana Vickers, Tinie Tempah and Example.
T4 On The Beach tickets have already sold out.
(by Jason Gregory)