Marilyn Monroe Gold Dress Gentlemen Prefer Blondes Costume LausenCrafts Marilyn Monroe's iconic 'Happy Birthday, Mr. President' dress, worn at Madison Square Garden in 1962, was designed by Hollywood costume legend Jean Louis, with sketches and design work by a young Bob Marilyn Monroe in the famous gold lam dress she wore in "Gentlemen Prefer Blondes" (1953) and designed for her by William Travilla, circa 1953. : r fashionhistory Marilyn Monroe's crystal covered gown, worn during her unforgettable 1962 Happy Birthday performance for President John F. Kennedy, became the most expensive dress ever sold, fetching $4.8 million at auction. Designed by Jean Marilyn Monroe in Gold Dress