Rihanna posts SEXY PHOTOS that show off her derriere in cutaway swimsuit (LOOK)

 It was another day, another racy monokini for Rihanna. 

The singer posted a picture of her in a daring cutaway swimsuit on her Instagram account on Saturday and it left little to the imagination. 

The 24-year-old is currently in her native Barbados for Christmas and is taking advantage of the balmy climate to showcase an array of provocative swimwear....More pictures below: