(Image source from: Rihanna Instagrames topless pics})

Rihanna has posted some topless pictures of herself in Brazil at her Instagram account @badgirlriri. Currently, the "We Found Love" singer is in South American for the cover shoot of Vogue Brazil.

In the hot pictures, 25-year-old Rihanna is seen wearing a gold string bikini and in some of the pics the 'Diamonds' hitmaker has even taken off her top, E! Online, reported.

Earlier, the singer had Instagramed playful pics of herself in a botanical garden in a racy one-piece.

In another series of picture from Rihanna posted on Jan 22, in Instagram, the singer is with a female friend wearing a tiny two-piece.

In one of the pics the glam girl is captured untying her bikini top for removing it completely.

(AW: Pratima Tigga)