Rupert Sanders's wife Liberty Ross files for divorce in wake of Kristen Stewart affair Director Rupert Sanders wife, model Liberty Ross, has filed for divorce after ten years of marriage. Picture: Getty/ Kevin Winter Source: Getty Images DIRECTOR Rupert Sanders, who cheated with young star Kristen Stewart, faces divorce proceedings. Sanders" wife, model Liberty Ross, has filed for divorce after ten years of marriage. The couple have two children, Skyla, 7, and Tennyson, 5. Sanders, 41, was caught having a midsummer fling with Stewart, 22, the star of his blockbuster Snow White and the Huntsman. Ross, 34, is asking for joint custody of their children, spousal support and legal fees, according to paperwork filed with the LA County Superior Court. Stewart, on the other hand, managed to repair her relationship with British actor boyfriend Robert Pattinson, with whom she stars in the Twilight movies. Pattinson is currently filming in Australia.