Personalized Princess 5th Birthday Toddler T-Shirt. Pink Princess 5th birthday. This pink heart with a jeweled tiara will make your little girl's fifth b-day special. Happy birthday 5-year-old! A toddler-soft cotton tee in look-at-me, big kid colors. 4.5 oz., 100% combed ringspun cotton. White is sewn with 100% cotton thread. Topstitched rib crew neck. Double-needle stitched sleeves and bottom hem. Shoulder-to-shoulder taping.