From the designers at La Femme, this plus-size long prom dress is a beautifully sophisticated style. A very popular choice for prom, fancy galas, and other formal events, this navy blue long formal dress includes an off-the-shoulder fitted bodice with romantic banded sleeves. The curve-hugging long blue evening gown includes side ruching and a long skirt that opens in a side slit before ending at the floor. As chic as it is figure flattering, this navy blue long plus-size prom dress allows you to express yourself in eye-catching style.