[Photos] Rihanna Tweets Close Up Of Her Bikini Clad Behind

The 25-year-old pop star - rocking her natural short curls - posted several more poolside Instagram snaps of herself displaying her enviable figure. She's currently relaxing in her home country, Barbados. And Rihanna must be very comfortable amongst family as she appears to have spent the past two solid days clad in little else than swimwear.