J Cole, Rizzle Kick - pictured above - Kaskade and Flux Pavilion have been confirmed to perform at next year's Wireless festival.
Rihanna, who is set to headline, will play her only UK show of 2012 at the festival on July 8 along with Jessie J and Calvin Harris.
The festival will once again run over three days from July 6-8.
The London festival was headlined by Black Eyed Peas, The Chemical Brothers and Pulp earlier this year.
For more information about Wireless and this summer's festivals, check out the Gigwise Festival Guide.
Meanwhile, Rihanna has added to her extensive tattoo collection by tattooing 'Thug Life' on her knuckles.
The singer posted a picture over Twitter of her Tupac inspired pink inked knuckle tattoo:
Wireless Festival 2011: The Best Bits In Photos