* YOU BEEN SNAP * Now THAT'S a real string bikini! Rihanna gives fans a thrill on the beach with skimpy Rated R strapless two-piece"

*MKILETEWA HAPA NA FLORA LYIMO DESIGNER* No doubt everyone thought Rihanna was stringing them along when she said she was going to wear her most daring bikini yet. However the singer really was Rated R as she bared her impressive body on a Barbados beach today.   Rearly daring: Rihanna's outfit looks just one snagged string away from a fashion malfunction;   Doubtlessly the