Description:Even the stars love a good reasonably-priced fashion collaboration -- which is why celebs like Amy Smart and 12-year-old Mad Men star Kiernan Shipka are so enthusiastic about the Mad Men for Banana Republic collection -- available in stores and online now! "I love the Joan character because it's super hourglass, and feminine and fitted," Amy says about her favorite fashion looks from the show at last night's Banana Republic Mad Men Spring Collection Launch in Los Angeles. Exclusive First Look: B(2:34)