Marilyn Monroe was promised the lead role in The Seven Year Itch (1955) if she appeared in this film to boost the box-office potential. The role of Vicky was written especially for this purpose, and songs such as "Heatwave" originally intended for Molly were assigned to her. Marilyn Monroe's voice on the Decca soundtrack album "There's No Business Like Show Business" was replaced by singer Dolores Gray because Monroe's voice was under contract to another record company that ...[Read Story ]