Ballerina costumes are beautiful Halloween costume ideas that can be enjoyed all year. Choose a toddler ballerina costume designed with ribbons and a tutu, or a Disney princess ballerina costume. Girls ballerina costumes are available in many themes, including Barbie, Tinkerbell, cat, and pumpkin. All little girls love to twirl and pretend they are dancing in ballet slippers, so why not offer the gift of a beautiful ballerina costume?