The new, soft, light cotton muslin dress of the first Regency style…

…clung to the body, showing every nuance and every contour of her shape.  This meant some form of support would have to lift the breasts.  It also meant small women or older or less endowed women might need some type of padding or augmentation.

(Portrait: Lydia Hartford Wallace Berrett in 1800 could have used some padding)