In 2009, however, she made an unexpected guest appearance on the popular TV series, Supernatural, playing a fictionalized version of herself. Despite her limited acting experience, Hilton impressed the show's creator, who praised her for being a hell of a good sport. 

So then where exactly was Supernatural filmed? Just as it often is in Hollywood, the answer is the adaptable city of Vancouver, British Columbia, Canada. Although the pilot was shot in Los Angeles, primary filming moved to Vancouver.