This past Saturday, Mario Lopez made an appearance at Bloomingdales in Aventura Mall (in North Miami), to debut his new underwear line, Rated M. Mario is the face (and body) of his line’s campaign, which you can take a peek of here. The line is divided into three collections: Atelier, which has a little more flair, Elementary, which is simple and basic, and Play, which is a little more athletic, combining performance and style.Thanks to Megan, who represents Rated M, myself and a few other media guests were invited to interview Mario and snap some up close and personal pics!Look at those dimples!Mario told us that he always wanted to get into the apparel business, and wanted to create something where casual and fitness-wear bleed into each other. He decided to start with underwear, since everyone needs it.Mario wanted his underwear line to be a high-quality product that was fun, sexy,…