Personalized Mermaid Princess 4th Birthday Infant Tutu Bodysuit. 4th birthday Infant Tutu Bodysuit - Raspberry with a beautiful little mermaid princess wearing a crown atop her red flowing hair and surrounded by cute fish and starfish. Text says THIS LITTLE PRINCESS IS 4. Tutus are all the rage! This one is made of matching tulle and stitched right into a soft creeper.