Donkey Skin (1970)

The education of a princess wrapped in a love story. A king and queen live happily until her sudden death. The king decides to marry his lovely daughter. She's willing, but the Lily Fairy serves as a social conscience, intent on thwarting incest. She instructs the princess to request a series of dresses impossible to make; however, the king's tailor succeeds. So the fairy plots the princess's escape, wearing the skin of the king's prize donkey. She's spirited away to be a scullery maid dressed in the noisome skin. A wandering prince sees her in the woods and is smitten. Can love find its course, and does the princess learn a lesson of life's hardships?