Personalized It's My 4th Birthday with Cordelia Youth Long Sleeve T-Shirt. There's no day like your birthday. Celebrate your life, your strength, and your courage with Cordelia. It's My 4th Birthday with Cordelia Youth Long Sleeve T-Shirt - Heather, perfect for little fans of "Cordelia" by Michelle Nelson-Schmidt. youth long sleeve t-shirt. Shoulder-to-shoulder taping. Youth: S(6/8), M(10/12), L(14/16), XL(18/20)