@rihanna HAPPY BIRFDAY u hoodrat, bear, crazy, sexy ass, freaky whole bit beotch. I (heart) u so much. Keep it real tonight, as I know u will!
While her ex-boyfriend Chris Brown sent her an interesting tweet which she re-tweeted, adding: ‘Thanks! RT @chrisbrown: HAPPY BIRTHDAY ROBYN!
Rihanna is spending her birthday rehearsing in London ahead of her performance at the BRIT Awards at The 02 arena tomorrow night (February 21). The singer was spotted riding the subway in London today.