Personalized Donut Worry Be Happy Youth Long Sleeve T-Shirt. Funny donut lover gift Youth Long Sleeve T-Shirt - Black with chocolate frosting donut with sprinkles graphic. Donut Worry Be Happy. Dieters rejoice. Chocolate and sugar for breakfast makes everyone happy. youth long sleeve t-shirt. Shoulder-to-shoulder taping. Youth: S(6/8), M(10/12), L(14/16), XL(18/20)