Gorgeous Long Mermaid Royal Blue One Shoulder Sequined Prom Dress With straps royal blue lace mermaid formal dress $ 159 . 00 $ 159 . 00 on Elegant Long Royal Blue One Shoulder Mermaid Beading Lace Prom Dress With Ruffles Mermaid One Shoulder Royal Blue Long Prom Dress with Criss Cross Back Elgeant Royal Blue One Shoulder Mermaid Prom Dresses with Sleeves. Introducing our Elegant Long Royal Blue One Shoulder Mermaid Beading Lace Prom Dress With Ruffles. Featuring exquisite beading and delicate lace. this dress radiates elegance and sophistication. The mermaid silhouette flatters your figure and the ruffled details add a touch of romance. Make a statement at your prom or formal event with this stunning dress.