Super girl superhero tutu dress and costume. $59.00, via Etsy.
Super Girl Costume for American Girl 18" Doll Clothes #Generic
Emma’s ‘DC Super Hero Girls’ Party - Fun Party Food, Decorating & Activity Ideas
DC Kids | DC Super Hero Girls
£47.52 Super girl costume set Chamaléon
Hey, I found this really awesome Etsy listing at https://www.etsy.com/listing/189492450/super-girl-birthday-tutu-set-any-size
Super girl costume set Chamaléon
Super Girl Costume
Bat girl and super girl tu tu costume I made for my friends daughters!
DC Comics Baby Girls Super Girl Costume by NanasPatternsNThings