Gentlemen Prefer Blondes is a musical with a book by Joseph Fields and Anita Loos, lyrics by Leo Robin, and music by Jule Styne, based on the best-selling 1925 novel of the same name by Loos. The story involves an American woman's voyage to Paris to perform in a nightclub.

Corinne Anita Loos was an American actress, novelist, playwright and screenwriter. In 1912, she became the first female staff screenwriter in Hollywood, when D. W. Griffith put her on the payroll at Triangle Film Corporation. She is best known for her 1925 comic novel, Gentlemen Prefer Blondes, and her 1951 Broadway adaptation of Colette's novella Gigi.