Christie's article about this portrait is here.
From Wikimedia; posted here on 23 June 2012.
Anne-Marie-Louise d'Orléans wears a spectacular feathered headdress and jeweled bodice in this work by Louis Ferdinand Elle.
Keywords: Elle, Anne Marie Louise d'Orléans, Duchesse de Montpensier, Princess, French, Bourbon family, Fronde, curly coiffure, feathered headdress, vee neckline, modesty piece, off shoulder vee nneckline, bertha, elbow-length puffed sleeves, cuffs, bows, deep vee waistline, full skirt, necklace, earrings, clasp, jeweled bodice, jeweled arm bands