Her Wikipedia article is here.
Stieler catches the waistline in the act of creeping down from the bottom of the bust line to its natural position in this 1823 portrait.
Keywords: 1823, Stieler, Amalie Auguste, Princess, Queen, Wittelsbach family, Wettin family, German, curly coiffure, bateau neckline, pleated bodice, quarter length puffed sleeves, belt, Empire low waistline, close skirt, necklace, bracelets, shoes, wrap