Marilyn Monroe wore the orange gown, designed by William Travilla in "Gentlemen Prefer Blondes" 1953. Speculation suggests the gown went back to 20th Century Fox's costume department because it re emerged four years The iconic orange dress worn by Marilyn Monroe in Gentlemen Prefer Blondes (1953) has become synonymous with her glamorous, larger than life persona. The dress, designed by costume designer William Travilla, was a standout 5 Fascinating Facts About Marilyn Monroe Marilyn Monroe and the iconic orange dress from "Gentlemen Prefer Blondes", 1953. Orange Mermaid V Neck Tight Prom Dresses with Train, PL629 Promnova Custom Size Blue Orange Sweetheart Mermaid Prom Dress Long Split with Sequins