Kate joins the royal recyclers: Duchess gives favourite coat an extra outing

By REBECCA ENGLISH Something blue: The Duchess of Cambridge (left) at St George's Chapel, Windsor for His Royal Highness, The Duke of Edinburgh's 90th Birthday service yesterday, and, right, wearing the same coat dress in 2009She has injected new life into the monarchy with her much-admired sense of style.But it seems the Duchess of Cambridge is also following a considerably older royal tradition