She’s known for wearing rather raunchy outfits so when Rihanna chose to be a tourist for the day, it was probably a given that she would wear her bikini and not much else.The 24-year-old was spotted exploring the streets of St Tropez today in a sexy combination of her swimwear and a white crochet skirt.The singer was seen arriving at the port of the French town where she decided to head straight to the shops to indulge in some retail therapy.Rihanna showed off her enviable figure and flat stomach in the green leaf-print bikini top.