Happy Birthday Rihanna – See Her Hottest Bikini Looks

Rihanna is 24 today! In honor of her milestone, we’re looking back at some of her hottest bikini looks. She’s well-known for wearing a tiny two-piece while on stage or while off on one of her many lavish vacations. The last six years have seen her enjoying fun in the sun in Sardinia, her native Barbados, Hawaii, and more. Happy birthday to Rihanna – click through to see Rihanna’s best bikini pictures! FameFlynet View Slideshow ›