If you did not already know, Jason Wu started out as a fashion doll designer, now and after receiving the presidential first dance with his Inauguration Ball dress. Jason just dressed up a limited edition doll for Colette ($300) – “Doing a doll is like drawing a caricature” Wu explains. “You don’t render all the details, just the most distinctive ones. That’s why it has to be a fun look.” He also has another two dolls in the works: one for Jeffrey New York’s tenth anniversary and a second for a Japanese fashion house…