Pop star Rihanna has been spotted leaving a notorious sex shop in Australia. The S&M singer, known for her saucy stage outfits and suggestive songs, proved she really is a Good Girl Gone Bad as she flashed photographers a cheeky smile while leaving The Tool Shed in Sydney, reports the Daily Mail . The 23-year-old singer wore a cute cropped top, beige trousers and heels as she was escorted from the store, situated in the heart of the city’s gay district.Moments before, the singer’s assistant had left the shop laden with two black bags full of purchases.Though Rihanna kept quiet about the contents of the bags, her smile said it all as she was escorted into a waiting car by her minders.A spokesman for the shop later said that the visit was arranged earlier in the day and they had to ensure no one else was in the store while she was there.”I can’t say what she did or what she bought, it’s top secret,” the Spokesman said. It’s widely thought that Rihanna, who is currently in Australia with her ‘Last Girl On Earth’ tour, will be appearing at the gay and lesbian Mardi Gras festival this Saturday in Sydney – Dailynews