Personalized Cutest Little Sister Youth T-Shirt. Youth T-Shirt - White says CUTEST LITTLE SISTER in bright, bold colors. Little hearts above the "i" in the words LITTLE and SISTER. Let the good times roll in a durable T-Shirt that takes kids from school to play in an amazing array of colors. 5.0 oz., pre-shrunk 100% cotton. Seamless 1x1 rib collar.