They were three American actresses about to take on the biggest roles of their careers, thousands of miles from Los Angeles. Join "Downton Abbey" star Elizabeth McGovern as she details how Grace Kelly, Gloria Swanson, and Rita Hayworth transformed from Hollywood royalty to part of European nobility. Unlike previous Million Dollar American Princesses, these starlets also brought unparalleled glamour and fame to the aristocracy, as well as dramatic twists and turns that would rival any one of their movies.