FROM A B.A. IN SOCIOLOGY from the University of Washington, to winning the Ford Models Supermodel of the World competition in 2008, followed by a successful fashion career walking for the likes of Christian Lacroix, Gucci, Lanvin, Hermès, and Valentino, Kendra Spears’ life already reads like a fashion fairy tale. To top it off, this past summer, the supermodel married a prince, making her a real-life princess . . .