Gentlemen Prefer Blondes is a 1953 American film adaptation of the 1949 stage musical, released by 20th Century Fox, directed by Howard Hawks, and starring Jane Russell and Marilyn Monroe with Charles Coburn, Elliott Reid, Tommy Noonan, George Winslow, Taylor Holmes, and Norma Varden in supporting roles. Wikipedia
Lady Beekman: You'll find I mean business! Dorothy Shaw: Oh, really? Then why are you wearing that hat?