Wedding Guest: Blacktie Wingman . Look sleek and strong at your black tie / formal weddings this summer with an edgy, long sleeve gown. With a slit on the side and a cut out back, this dress shows skin in all the right places. The floor length sleeves brings a new dimension to typical wedding guest gowns. Strappy black heels, a structured clutch, and antique statement earrings complete the look. LTKWedding LTKItBag LTKParties