Her Wikipedia article is here.
Upgrade image posted 15 October 2016 from the lost gallery's photostream on flickr; spots removed with Photoshop.
Maria Teresa wears a pelisse bodice that expands from the waist outwards towards the neckline under her lace bertha and a gorgeous feathered headdress.
Keywords: Maria Teresa di Savoia (1803-1879), Princess, Duchess, Savoia family, Borbone-Parma family, curly coiffure, bandeau, feathered hat, bateau neckline, bertha, lace, upper puffed sleeves, necklace, wrap