The timeless elegance of a mermaid dress makes it an excellent choice for prom or evening occasions. Mermaid gowns are designed to accentuate your shape. Long formal dresses in mermaid style often cascade with sheer lace dress, ruffled and shine beaded . The shape and sophistication of a mermaid prom dress is classic. Mermaid dresses start with smooth and tailored forms that flow down to flare and create unique looks. In a mermaid formal gown, you’ll be ready for the catwalk with chic-style and grace.