Scope and Contents Diamond Horseshoe Dream Sequence script created for the Betty Grable musical Diamond Horseshoe. Diamond Horseshoe (also billed as Billy Rose's Diamond Horseshoe) is a 1945 Technicolor musical film starring Betty Grable and Dick Haymes, directed by George Seaton, and released by 20th Century Fox. It was filmed in Billy Rose's Diamond Horseshoe, a nightclub located in the basement of the Paramount Hotel. The film's score is by Harry Warren and Mack Gordon.See also Map...