Rihanna clearly isn’t shy. The songstress, who is the face of Armani Jeans and Emporio Armani Underwear, got undressed for the brands’ Spring 2012 campaign. Images of the artist modeling the brand’s denim and lacy undergarments have been released and Rihanna is looking pretty sexy. The sultry ads were shot in Dublin by Mert and Marcus Piggott and will be distributed worldwide .