Photos Rihanna Sure Know How To Work The Mic! Pics Of RiRi In Vegas Inside by Island Yute July 20, 2010 Island Yute Author *Rihanna was burning up the stage in Las Vegas during the weekend, where she took her “Last Girl on Earth” tour to the Mandalay Bay Events Center. She performed some of her latest and greatest hits donned in several fashion-forward get-ups. TwitterFacebook