Personalized It's My 6th Birthday with Cordelia Infant Dress. There's no day like your birthday. Celebrate your life, your strength, and your courage with Cordelia. It's My 6th Birthday with Cordelia Infant Dress - White, perfect for little fans of "Cordelia" by Michelle Nelson-Schmidt. Your little one will be adorable and comfortable in this 100% combed ringspun cotton 1x1 baby rib dress!