Personalized Sweetest Little Sister Baby Bodysuit. Who's the sweetest little sister? Cute Baby Bodysuit - Navy with adorable smiling cupcake with pink frosting and red cherry on top says SWEETEST LITTLE SISTER. Our unisex one piece baby bodysuit make great gift for newborns, babies, infants, baby showers and expectant moms. An ideal gift for any new parent who will want one in every color.