Rihanna Wears Revealing G-String Monokini As She Bathes In A Tropical Pond In Brazil

The 25-year-old left little to the imagination in a low-cut thong monokini as she took a dip in the water in a botanical garden in Rio de Janeiro, Brazil. 
She showed off her toned figure in the revealing one-piece, which featured a plunging front and G-string bottom.
More photos below..