Kathy Burke reveal the secret behind Mona Lisa's smile and Mrs Alfred Hitchcock opens up about her lack of sexual relations with her film director husband. Julia Davis mimes her problems as silent movie star Mary Pickford while Catherine the Great worries that rumours of her many lovers will overshadow her legacy. Sarah Solemani also takes to the couch as Anne Frank and Zawe Ashton plays an Eartha Kitt, who fails to let go of her role as Catwoman in her later years.