When we think about animated films, and specifically costumes in animated films, we tend to identify characters by 1 or 2 signature costumes. Cinderella had her peasant dress and her magical ball gown. Briar Rose had the same, though her ball gown was constantly shifting from pink to blue (to pink!) Alice has her iconic blue dress, and Peter Pan would not be Peter Pan without his feathered cap and tights! Well, no such beast was Frozen. While we definitely identified "hero" costumes for our…