Rihanna Shows Off Sexy Bikini Body

Us MagazineRihanna Shows Off Sexy Bikini Body -- Again!Us MagazineRihanna's definitely not shy when it comes to showing off her rocking bikini body! Just a few days after the "Diamonds" singer posed in a snakeskin barely-there bikini, the 25-year-old again shared sexy selfies via Instagram on Aug. 9. PHOTOS: Rihanna ...