Montage by Mon Cheri - Embroidered Ruched Sheath Gown 217942Please refer to Montage . The Ivonne D Collection Size Chart. Indulgently decorated in intricate decorative embroidery along its fitted silhouette, this stylish beauty flaunts a delicate spectacle of the decolletage with its wide v neckline framed with sheer tapering shoulder straps. Beautifully ornamented, this piece is styled with an alluring v cut open back and an optional illusion quarter length sleeves with intricate embroidered decoration.