mermaid prom party outfits in black Size 20, has been altered from a size 22/24 and can be let back out. Worn once, has been dry cleaned, and from a smoke free home. Strapless, ball gown, dark and light blue ombré, beaded top left, and gathered ruffles. Can meet in Madison, Moberly and Paris. mermaid prom party outfits in black Prom dress $50Madison, MO Size 20, has been altered from a size 22/24 and can be let back out. Worn once, has been dry cleaned, and from a smoke free home. Strapless, ball gown, dark and light blue ombré, beaded top left, and gathered ruffles. Can meet in Madison, Moberly and Paris.