This lady Worsley is not the one associated with the Duke of Devonshire.
Lady Worsley wears maybe 50 cm of ostrich feathers above her head and two long, wide lappets in this 1820 figure from La Belle Assemblée.
Keywords: 1820, curly coiffure, tiara, feathered headdress, lappets, lace, scoop neckline, modesty piece, bertha, quarter length puffed sleeves, close skirt, train, ruffles, necklace, earrings, gloves, court dress