One year after her bitter divorce, Christie Brinkley vows she'll never make the same mistake again. "I would never get married again," the supermodel says in the July issue of Ladies' Home Journal (on newsstands June 9). "With what I know, I don't see why anyone would get married." See photos of Hollywood's ugliest splits. Brinkley -- who divorced Peter Cook in July 2008 after he had an affair with his teenage assistant -- has decided that after four failed marriages, she is done ...