From liveinternet.ru-users-lizeeetta-post322814017-.
The waist band under an Empire waistline could be horizontal or notch upwards, as seen here, or notch downward.
Keywords: Benner, Elizabeth Alexeievna, Princess, Tsaritsa, Baden family, Romanov family, Russian, feathered hat, strap, partlet, scoop neckline, bodice, sweetheart décolletage, upper puffed sleeves, waist band, Empire waistline