gogmsite
From Wikimedia.
This is a fugal variation of the Madame Victoire's 1748 Nattier portrait.
Keywords: 1748, Nattier, Madame Victoire, Princess, Bourbon family, long curly coiffure, ribbon headdress, scoop neckline, lace bertha, elbow length close sleeves, lace forward-back flared engageantes, revers, stomacher, vee waistline, panniers, bodice ornament