Christy Turlington Burns, the California-born beauty of Salvadoran descent, is more than a supermodel.  She's also an advocate for human rights, a yoga practitioner, a businesswoman, and a mother. Turlington's career has taken her all over the world and on the covers and pages of Vogue, Vanity Fair, Time, V, Cookie, Mirabella, Elle... (just to name a few).  She's one of four supermodels in Catwalk, a 1996 documentary (filmed in 1993) that followed her during Fashion Week in the major fashion capitals of the world.  Turlington has appeared in campaigns for Bottega Veneta, Canon Japan, Calvin Klein, Escada, Versace, and Maybelline.  There's more.  Turlington is an author.  She penned Living Yoga: Living a Life of Practice, published in 2002 by Hyperion.