Pictures : Rihanna wears revealing G-string as she bathes in a tropical pond in Brazil

She recently posed topless for a Vogue photo shoot in Brazil.
And Rihanna continued her racy streak on Thursday with a titillating bath in a tropical pond.
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 has a great butt..