Rosalie is a musical with music by George Gershwin and Sigmund Romberg, lyrics by Ira Gershwin and P.G. Wodehouse, and book by William Anthony McGuire and Guy Bolton. The story tells of a princess from a faraway land who comes to America and falls in love with a West Point Lieutenant.

Sigmund Romberg was a Hungarian-born American composer. He is best known for his musicals and operettas, particularly The Student Prince (1924), The Desert Song (1926) and The New Moon (1928).