Her Highness the Saleswoman (German: Ihre Durchlaucht, die Verkäuferin) is a 1933 German comedy film directed by Karl Hartl and starring Liane Haid, Willi Forst and Paul Kemp. The film is based on the play My Sister and I by Georges Berr and Louis Verneuil. It was shot at the Babelsberg Studios in Potsdam. Location shooting took place around Lake Constance and Lindau in Bavaria. The film's sets were designed by the art director Werner Schlichting. It premiered in Hamburg and first appeared in Berlin at the city's Gloria-Palast. A separate French-language version The Princess's Whim was also produced.