Disney already explained, her dress is blue but Cinderella already have a blue dress so they used the pink version so children don't mixed it up (btw Cinderella's dress is originally silver Women's Blue Shirts & Blouses Ralph Lauren Women's Blue Striped Shirts Various Styles & Sizes Buck Mason Women's Hampton Stripe Mainstay Cut Off Short Sleeve Button Down in Hampton Stripe Blue White, Size Medium Cotton There's a very thin line between a beautiful dress and a dress that completely changes the feeling of a photoshoot. The Cinderella Dress was designed exactly for that feeling. Soft movement. Statement More Than a Love Interest A Blue Washed Look at the Costumes in Cinderella