Style Showdown: Rihanna's Week of Sexy Swimwear! (PHOTOS)
Which look do you prefer -- the sexy silver stripes, the revealing black thong or the teeny white bikini? It's a Rihanna vs. Rihanna vs. Rihanna style showdown!
During her Hawaiian getaway, she's has been using tweeting up a storm of bikini pics. Check out her personal photos in the gallery below.