In honor of Mother's Day, here's a fun Disney fact.. Ariel from The Little Mermaid, is the only Disney Princess to have ever had a baby. In the The Little Mermaid II: This Dress is Blue and Black, Right? What Colors do You See? List of Disney Princess Designs Disney Princess Wiki Fandom The actual dress was black and blue. The confusion came from how lighting and color perception tricked people's brains, making some see it as white and gold. It became a viral example