Kellan Lutz Sheds His Fangs (and Shirt) for Fashion Today 4:30 AM PDT by TED CASABLANCA AND KATE KRUG Courtesy of Yu Tsai Kellan Lutz, who famously (or infamously) plays one of Robert Pattinson's vampire bros (duh), is once again in front of the camera, but not in the way you'd expect. Lutz is going back to his modeling roots and striking a pose for two campaigns this upcoming fall. You may remem…