Singer Rihanna has posted a daring photograph in which she is seen posing with a pink gun.

The `Diamonds` hitmaker shared the image on her photo-sharing website Instagram account on May 25, reports aceshowbiz.com

In the image, the singer is seen wearing a green oversized jacket, and she carries a black leather bag, while her red hair is worn down. The pink gun she carries in the photograph, looks like a drill as it has drill bits-like stuff on its muzzle.

The 27-year-old singer captioned the picture: "Brainwashed."