Where do you buy the Taylor swift pink light up dress that is in her 1989 wardrobe?

The pink light-up dress worn by Taylor Swift in her "1989" wardrobe is a custom piece designed by the fashion brand, Atelier Versace. It may not be available for purchase as a retail item since it was specifically created for her. However, you can find similar styles at various retailers or consider looking for replicas from online boutiques or custom dressmakers. For the most accurate options, check platforms like Etsy or specialized fashion sites.