You'll definitely lose your voice when you see this costume, though it'll be different then when Ariel was losing hers. This an amazing costume that will leave you speechless. The Adult The Little Mermaid Ursula Disney Costume will make you this classic Disney villain. The outfit comes included with a strapless black dress that has a purple lining and trim. It even features a green jewel on the chest just as she does in the movie. The signature portion of the dress is the hem, which breaks off into octopus tentacles that are a shiny purple. Ursula was a scary villain, but now you can be sure everyone loves her by wearing this. If you don't get yourself this costume for Halloween then you will be a poor unfortunate soul, and who would want that?