Personalized Princess and Castle Birthday Shirt. This birthday tee-shirt is so sweet for any royal princess party!! The number is appliqued to look like a castle and there is a princess embroidered next to the castle. You can choose the number for your childs age (1-9). This is a regular style tee shirt and you can choose long or short sleeves. This will also be personalized with your child’s first name below the design. Please note the number needed during checkout.