The Ting Tings, Feeder and Duffy are the next round of acts to be added to this year’s T4 On The Beach line-up.
The Guillemots and Alphabeat have also been added to bill for the one-day bash, which will take place at Weston-super-Mare on July 20.
Other bands playing the event include Sam Sparro, McFly, Lightspeed Champion, Robyn, Adele and The Pigeon Detectives, with more acts to be announced over the coming weeks.
Steve Jones, Miquita Oliver, Alexa Chung and Rick Edwards will be presenting the day-long festival.
Tickets for the event have now sold out.