Mermaid wedding dresses allow brides to show off their curves. These wedding dresses are fitted to the knee and then flair from the knee to the floor. Mermaid wedding dresses look best on slender or hourglass shaped brides who want to show off their figure with the fitted portion of the dress. The Knot can help you find the perfect mermaid wedding gown for you regardless of fabric, price, neckline, or designer. You can find lace, expensive, cheap, strapless, and many more popular mermaid wedding dress styles.