Coldplay has been unveiled as one of the official headlining acts for 2011's Glastonbury Festival. 

The 'Viva La Vida' band will perform on the main Pyramid stage on Saturday, June 25 and the event's organiser, Michael Eavis, said of Coldplay's return:

"This is the triumphant return of a band that everyone here feels part of."

Tickets for Glastonbury have already sold out but you can watch the video for Coldplay's performance of 'Fix You' from the festival a few years ago below: