Personalized Heart Belongs To Mummy Girl Youth Long Sleeve T-Shirt. Halloween Youth Long Sleeve T-Shirt - White with a cute baby girl mummy with two front teeth and her jack-o-lantern. She says MY HEART BELONGS TO MUMMY. youth long sleeve t-shirt. Shoulder-to-shoulder taping. Youth: S(6/8), M(10/12), L(14/16), XL(18/20)