Simplicity 2803; ©1949; Truly Teen Style. Teenage One-Piece Dress, Jumper and Blouse: The dart-fitted bodice has a U neckline and extended shoulders. The four-gored skirt falls in an easy flare. Style 1 uses a purchased scarf for a belt. In Style 2 the belt may be made or purchased and top-stitched side pockets are additional features. In Style 2 a ribbon ties at the neck.