Marilyn Monroe dress, which prompted veteran star Joan Crawford to describe her behavior as "unbecoming an actress and a lady" to the press. While "Niagara" made Monroe a sex symbol and established her "look", her second film of the year, the satirical musical comedy "Gentlemen Prefer Blondes", established her screen persona as a "dumb blonde". Based on Anita Loos' bestselling novel and its Broadway version, the film focuses on two "gold-digging" showgirls, Lorelei Lee and Dorothy Shaw, played by Monroe and Jane Russell. The role of Lorelei was originally intended for Betty Grable, who had been 20th Century-Fox's most popular "blonde bombshell"
Gentlemen Prefer Blondes (musical) the rich Philadelphian Henry Spofford III, and an Englishman, Sir Francis (Piggy) Beekman. Lorelei is worried that Gus will find out about an old secret of hers and break off their engagement ("I’m Just A Little Girl From Little Rock"), and she is afraid to open a wire that she receives from him. Meanwhile, Dorothy flirts with a group of olympic sportsmen ("I Love What I’m Doing (When I’m Doing It For Love)"). Lorelei disapproves of this as the Olympians are poor; she is sure that Gus has broken up with her and tells Dorothy that they need to find