Allegra K Formal Dress for Women Two Piece Lace Shoulder Jacket Dress Work Guest Dresses X Small Black at Amazon Women's Clothing store 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 Anne Klein 2Pc Jacket & Dress Set, Black 6 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 Black Two Piece Prom Dress with Detachable Long Sleeve Jacket Jewel Neck Lace Short Evening Gown