The Smiling Lieutenant

The Smiling Lieutenant is a 1931 American PreCode musical comedy film directed by Ernst Lubitsch, starring Maurice Chevalier and Claudette Colbert, and released by Paramount Pictures.

In Vienna, Lieutenant Nikolaus Niki von Preyn Maurice Chevalier meets Franzi Claudette Colbert, the leader of an allfemaleorchestra. They soon fall in love with each other. While standing in formation before a parade honoring the visiting royal family of Flausenthurm, Niki takes the opportunity to wink at Franzi in the crowd. Unfortunately the gesture is intercepted by Anna, the Princess of Flausenthurm Miriam Hopkins. The naive Princess assumes offense, leading the lieutenant to convince her that he slighted her because she is thought to be very beautiful. Besotted, the Princess demands she has to marry the lieutenant, or, shell marry an American instead. The international incident is narrowly averted by having them get married.The Lieutenant sneaks away from his bride to wander the streets of Flausenthurm to find his girlfriend. The princess learns of this and decides to confront Franzi. After the initial confrontation, Franzi sees that the princess is in fact deeply in love with the lieutenant, and decides to save the marriage by giving the princess a makeover, singing Jazz up your lingerie ........

Source: Wikipedia