Sweet treats for Rihanna 2011

After a raunchy performance to an audience filled with celebrities, the birthday celebrations really began for Rihanna.The singer, who turned 23 on Sunday, went on to a party at a private Beverly Hills home. There she was toasted by some of the biggest names in music, and was treated to a sweet reminder of home.Cupcakes bearing the flag of her native country Barbados were laid out for the