Ke$ha, LMFAO, Cut Copy Join Wireless Festival 2011 Line-Up

Ke$ha, LMFAO and Cut Copy have joined the line-up for this year's Wireless festival in London.

Blind Pilot will also perform at the festival, which takes places at Hyde Park from July 1-3.

Wireless will be headlined by Black Eyed Peas, The Chemical Brothers and the recently reformed Pulp.

The Hives, Yuck, Funeral Party, Fight Like Apes, Liam Bailey, Clock Opera, The Pretty Reckless,  J. Cole, Jay Electronica and Maverick Savre are also on the bill.

Tickets are on sale now. For more details and to buy Wireless Festival tickets, check out Gigwise Gig Tickets.

For more information about the Wireless Festival and all this summer's festivals, check out the Gigwise Festival Guide.

Ke$ha - live photos