This cute little dress is amazing! What little girl wouldn't want to twist & twirl in it?
In general, XS-12-18m, S 2-3yr+, M 3-4yr+, L 5-6yr+, XL 6yr+. They can start as a dress and then be a tunic/shirt as they grow.
Fiesta Siesta Repeat Youth Graphic Tee
Maroon & White Baby Bloomers