2 / 18


EXCLUSIVE: Rihanna shows off her bikini body as she chills out with a beer by the pool in Hawaii on February 22, 2013. The sexy singer celebrated her birthday with on-off boyfriend Chris Brown and friends on Oahu. Pictured: Rihanna Ref: SPL500270 250213 EXCLUSIVE Picture by: Splash News Splash News and Pictures Los Angeles:310-821-2666 New York:212-619-2666 London:870-934-2666 photodesk@splashnews.com

Sexy Celebrity Abs

Go on a celebrity ab-venture with stars from Justin Bieber to Julianne Hough.