Her Wikipedia article is here. She was briefly a mistress of Louis XIV.
Photo credit - Daniel Arnaudet/Gérard Blot.
The Beaubruns portrayed Princess Charlotte Catherine wearing robes over a pale slate moiré patterned (?) dress with jeweled bodice in or after 1660.
Keywords: 1660, Beaubrun - Charles, Arnaudet, Blot, French, Grimaldi family, Princess, mistress, Louis XIV, straight coiffure, jeweled headdress, off shoulder vee neckline, elbow length puffed sleeves, engageantes, robes, fur, necklace, earrings, brooch, jeweled bodice, girdle, full skirt, bows