She grinned, leaning up and kissing his cheek. "I'll show you. Better and more fun than just telling." She scampered out of his arms and back behind a curtain that closed off an area as a dressing room. It was backlit by a light inside the curtained off space, so he can see her silhouette as she moves behind it.

She comes out minutes later in the blood red costume. It now becomes apparent that it's harem girl-esque. Similar to the outfit Jasmine is dressed in by Jafar at the end of Aladdin.

It's silk and tulle, and compliments the Meditteranean skin of the little siiren.