Simplicity 3079; ©1950; Teen Age One-Piece Dress with Detachable Peplum: The slim, dart-fitted bodice has a Peter Pan collar and extended shoulders softened by a pleat in the front. An opening at the front neck edge is featured. The four-gored skirt falls in an easy flare. In Style 1 a self or purchased belt encircles the waistline. Style 2 has a flared detachable peplum joined to a waistband. Tie ends of the waistband fasten in a bow in back, and eyelet edging trims the collar and peplum.