Simplicity 1573; ©1945; Girl’s One Piece Dress: A Mother and Daughter fashion, for Mother see Simplicity 1553. The back buttoning bodice is fitted with waistline darts and joins the gathered skirt at the natural waistline. Ruffling outlines the square yoke. The dress may have puffed sleeves with a ruffle effect at the lower edge, or it may be sleeveless. Style one has a high round neckline. Style two has a square neckline and its worn with a sash. Pattern is uncut with instructions.