From www.wikipaintings.org/en/pierre-paul-prud-hon/louise-antoinette-lannes-duchess-of-montebello.
This portrait cannot be dated, but it shows a wonderful lace cap-bonnet decorated with ribbons and flowers.
Keywords: 1814, Prud'hon, Louise Antoinette Lannes, Duchess, French, curly coiffure, floral ribbon cap, lace, bows, high neckline, wrap