This is purportedly the first time the term "Rock 'n' Roll", the title of the song performed by the Boswell Sisters, is used in a movie.
Reportedly, Nancy Caroll was so difficult that her career evaporated when no one would hire or work with her.
The "Grind Hotel" sketch is a parody of the movie Grand Hotel, with Nancy Carroll imitating Greta Garbo.
When Mitzi Green dons a monocle and talks in an English accent at the end of her musical number, she is imitating George Arliss, an imitation for which she was famous.
While quite a few of the exterior shots of the ship on the water are clearly a model, the very real ocean liner featured in the exterior's during the Bon Voyage scene is the French Line's "Paris". Construction interrupted by WWI, she was able to bring the first taste of Art Deco design to the North Atlantic. In 1939, she burned at the pier and lay submerged throughout the war before being scraped in 1947.