Alexis Jordan and Chipmunk are among the latest additions to the line-up for this year's Wireless festival in London.
Other new acts confirmed include The Pretty Reckless, which features Gossip Girls' Taylor Momsen, J. Cole, Jay Electronica and Maverick Savre.
Funeral Party, Fight Like Apes, Liam Bailey and Clock Opera have also joined the bill.
The event, which takes place in Hyde Park from July 1-3, will be headlined by Black Eyed Peas, The Chemical Brothers and the recently reformed Pulp.
(by Jason Gregory)