This 1685 print of Mademoiselle Soissons shows how fashion
abruptly changed in the 1680s with slimmer skirts and high elaborate
headdresses. The high lace tower of the Fontanges headdress is in style and
would be for two more decades. The 1600s costume site kipar.org has a page devoted to
variations of the Fontanges headdress here.
She appears to be wearing a coat with slashed sleeves over a dress
with a laced bodice. Her engageantes and bertha-modesty piece appear to be
parts of her chemise. Her vee-waistline is highlit by a furbelow.