Iconix Brand Group, through its new joint venture MG Icon with Madonna and Guy Oseary, are launching a collection of designer accessories called MDG. It consists of sunglasses designed by the pop star along with Domenico Dolce and Stefano Gabbana. It is Dolce & Gabbana's first-ever co-branded project. Luxottica will make the sunglasses, which will retail for $248 to $289 in D&G and Sunglass Hut stores as well as with select opticians. It will be available in May.