A woman doesn't have to wear a gown to be formal. We call this look The Evening Suit. It is a two piece ensemble that features a jacket inspired by the tailcoat tuxedo Mother of the Bride&Groom Dresses With Jackets Ellen Bridals Black Sequin Double Breasted Black sparkly long dress with Front Split and Windbreake Modest Style Prom Gown for Women's Special Occasions Elegant Black Rhinestone Evening Dress with Jacket SS561 Black 6 Allegra K Formal Dress for Women Two Piece Lace Shoulder Jacket Dress Work Guest Dresses X Small Black at Amazon Women's Clothing store Women's Black Long Coat Formal Dress, Elegant Double Breasted Coat for Office and Events 36