Personalized Mermaid Princess 3rd Birthday Women's T-Shirt. 3rd birthday Women's T-Shirt - White 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 3. Classic ladies' styling with a feminine neckline, sleeves and fit. 5.0 oz., pre-shrunk 100% cotton. Double-needle stitching throughout