Jessie J and Rihanna confirmed for Wireless 2012

Bisexual singer Jessie J and lesbian-favourite Rihanna are both confirmed as headline acts for London's 2012 Wireless festival.

Calvin Harris and Labrinth have also been added to the line-up. The three-day event runs from July 6-8 in London's Hyde Park.

Jessie J recently scored the biggest selling debut album of 2011 ahead of Noel Gallagher and The Vaccines, NME report.

Black Eyed Peas, The Chemical Brothers and Pulp all headlined the festival in 2011.

See WirelessFestival.co.uk for more information about the festival.