Walt Disney Archives Presents Heroes and Villains: The Art of the Disney Costume is a 12,000 square foot exhibit featuring over 70 costumes from Disney films at the 2019 D23 Expo. If you attended the 2017 Expo, this exhibit is in approximately the same spot just inside the main hall near the middle. For more on the exhibit here is the press release I was invited to attend a media preview the day before the Expo started.
A quick video of the introduction video to the exhibit –
Below are some cell phone pictures from my first look at the exhibit: