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 (novel) tells him that there is mental illness in Lorelei’s family and that she is pathologically extravagant. Meanwhile, Lorelei is having lunch with the fascinating Mr. Montrose. She tells him of her plan to rid herself of Spoffard. When Montrose expresses regret because he hoped Spoffard could be persuaded to finance his new movie and she would star in the lead role, Lorelei decides she would like to marry Spoffard and have a movie career. Fearing she has already lost Spoffard, she telephones Dorothy, but Spoffard has already left for Penn Station. Lorelei rushes to him and informs him that her