Most people dress down when they hit the gym, wearing loose tracksuit bottom and T-shirts may be most comfortable while exercising.
For something a little more daring in the air yesterday, Rihanna chose to wear her Twitter page just a little white bikini as she posed on a cross trainer share a picture of himself.
23-year-old singer with a pair of huge sunglasses, two piece consisting of triangles, and shot with a caption tweeted: Haha, @ Khloekardashian tap this coming!!