Personalized 4th Birthday She is Fierce 4 Year Old Girl Toddler Long Sleeve T-Shirt. Cute Shakespeare she is fierce quote on a 4th birthday party Toddler Long Sleeve Tee - Black for girls A classic for Fall, Winter and Spring, these long sleeve toddler t-shirts are sure to be a staple in your child's wardrobe. Whether layered or alone, this t-shirt is soft yet durable enough to stand up to your toddler's playtime demands.