Wireless Festival has released the names of more acts that will perform this year. 

Also appearing at this summer's event will be King of collaborations David Guetta, who will take the stage on Friday, July 1, and chart-topping singer-songwriter Bruno Mars. Also performing on the Friday will be Labrinth, Wretch 32, Yasmin and Far East Movement. 

Saturday, July 2 is also set to be a fantastic day with sets from The Streets, Devlin and Katy B. Tickets for 2011's Wireless Festival, which will be held in London's Hyde Park from July 1-3, are available now. 

Watch the 'night' version of David Guetta's 'Who's That Chick?' featuring Rihanna here: