The What's My name singer is to top the bill at the Barclaycard Wireless Festival on the final night of festival
The Popstar, who is currently on her 'Loud' tour of Europe, will top the bill on the final day of the three-day event due to take place Hyde Park.
Tickets for the festival, which will be the Bajun songstress's only UK live date in 2012, will go on sale on 18 November.
Rihanna went down a storm with festival goers this summer when she performed at the V Festivals in Chelmsford, East England and Stafford, West Midlands.
She will now follow in the footsteps of Black Eyed Peas, Chemical Brothers and Pulp who headlined the Wireless event last year when she performs on Sunday 8 July .
Organizers are yet to announce the other acts that will perform at festival.
The pop superstar said: 'I'm so excited to be headlining Wireless next year! My UK fans rock and I can't wait to see them at Hyde Park!'