Here's a plus-size long prom dress that is as alluring as it is figure-flattering. With an empire-waist bodice, this plus-size long designer dress from La Femme gets a long and lean look for prom, military balls, and other black-tie events. A surplice v-neckline tops this plus-size long formal dress, while thin shoulder straps lead to the corset-style detail that laces up over the open back for the best fit. The beautiful long formal dress has tummy-camouflaging ruching at the waist, while the hip-skimming long skirt as it drapes to the floor and into a small train. Take the room by storm and look great while you're at it in this plus-size long prom dress by La Femme.