Leona to perform at Mandela's 90th birthday concert

London (ANI): English singer Leona Lewis has signed up to sing at Nelson Mandela's star-studded 90th birthday concert. The concert, which will be held at London's Hyde Park this summer, is the X Factor winner"s biggest gig and the icing on the cake after her successful globetrotting.

Lewis debut album Spirit and single Bleeding Love has been doing really well in the States, reports The Sun. On Saturday Apr 26 the London-born beauty was in Australia, which is one of the host countries where she topped the charts, for the Oz MTV Music Awards.

The concert at Hyde Park will also have stars like Amy Winehouse, Duffy, Razorlight, Keane, Sugababes, Eminem and Jamelia doing their bit on June 27. There are 45,000 tickets for the show and each has been priced at 65 pounds each and will be sold using a Glasto-style online registration system, which opens for a week from Apr 29.