Personalized 3rd Birthday Princess I'm Three Baby Bodysuit. 3rd Birthday gift for your little girl who will look so sweet wearing a cute The Princess Is Three crown Baby Bodysuit - Navy gift that is perfect for her special third birthday celebration party. Our unisex one piece baby bodysuit make great gift for newborns, babies, infants, baby showers and expectant moms. An ideal gift for any new parent who will want one in every color.