Birthday Party Dress 🧜‍♀️ She will surely want to this one to wear for her mermaid themed birthday party. Well, of course, if you're taking a trip to the Magic Kingdom. There is nothing cuter than an Ooh! La, La ! Couture princess dress. These tutu dresses are soft and full with layers of fluffy tulle, not your ordinary tutu dresses. These beautiful tutu dresses are fun, fanciful and fabulous. Imitation is the greatest form of flattery, but only poofy dresses from Ooh! La, La! Couture will make them say "Ooh! La, La!" . Oh! La, La! Couture styles run fitted for a perfect fit if you stick true to size. If you would like growing room we suggest going up to the next size.