article_snippet: Having a chat: Camilla also bumped into Riders author Jilly Cooper who partially based cad Rupert Campbell-Black on Rupert Campbell-Black ex-husband .
article_snippet: The Duchess, who cheerfully obliged, also bumped into another famous face - the author Jilly Cooper, who famously based her showjumping cad
article_snippet: Rupert Campbell-Black on Camilla's ex-husband, Andrew Parker-Bowles.
article_snippet: Ms Cooper, who lives in Gloucestershire, is no stranger to the world of racing herself, having immersed herself in the world of racing herself while writing herself most recent novel, Jump!, which like all the Rutshire Chronicles, features Rupert Campbell-Black on her ex-husband.