Sexy Keyhole Long Mermaid Prom Dress Y030Look like a celebrity in this sexy long mermaid prom dress with eye catching details. The breathtaking long formal dress features sparkly beading at the wide v neckline and a peek a boo cut out just below for a show stealing look at prom, galas, and other red carpet events. Thin shoulder straps lead to the horizontal band that flows over the open back of this striking evening gown, while the long mermaid skirt skims the hips before flowing to the