Deep V-neck sleeveless thin shoulder strap with exposed back side slit and floor length Prom dressSlip into this lace up long corset prom dress and turn up the heat at prom, galas, and other formal events. The gorgeous long evening gown has a structured corset that wraps around the waist before lacing up over the open back for the best fit. The deep v neck long formal dress has diagonal criss cross pleats at the waist that top the long skirt that opens in a side slit before ending in a small train.