Backless La Femme Long Prom Dress with Side KnotSweetly unique, this backless long prom dress by La Femme is a faux wrap style that is truly striking. With a surplice v neckline caused by a ruched side knot, this long designer gown is sure to be a conversation starter at prom, fancy galas, and other formal events. The long formal dress has supportive shoulder straps that cross over the open back to top the ruched detail at the low v back. The unique side knot contours the curves and creates a