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Mermaid prom dresses are built to follow your shape from bodice to knee before flaring out into a dramatic hem — Starlish's collection spans classic strapless mermaid gowns to one-shoulder and long-sleeve versions, in colors from black and white to red, green, and mint.

Necklines vary from deep V and sweetheart to high-neck and off-the-shoulder, with several styles adding appliques, criss-cross straps, or a backless design for extra detail. The fitted silhouette works especially well with structured satin or velvet, which holds the shape through the flare at the knee.

Fabric spans smooth satin for a clean line, velvet for texture and warmth, and lace or applique overlays for a softer, more romantic mermaid look.

Every mermaid prom dress is available in custom sizing, which matters more here than on looser silhouettes — a fitted cut shows any mismatch between your measurements and a standard size immediately.

Want a mermaid cut with sleeves? Browse prom dresses with sleeves, or check out lace prom dresses for more applique detail.

Frequently Asked Questions

A mermaid cut fits closely from the bodice to the knee, then flares out — an A-line skirt widens gradually from the waist instead.

Yes — because the cut is so fitted, a mismatch between your measurements and a standard size shows immediately, so custom sizing matters more here.

Deep V, sweetheart, high-neck, and off-the-shoulder necklines all appear across the collection.

Yes — several styles include long sleeves or a single statement sleeve on a one-shoulder design.

Structured satin and velvet hold the fitted shape best; lace and applique overlays give a softer, more romantic version of the same cut.