Mina's dress from the movie Bram Stoker's Dracula. Click on the picture to go to the site where you can order a custom reproduction gown from a movie. Examples on the site include Somewhere in Time, Ever After, Titanic, and (of course) Star Wars. (Amidala, not the Leia Slave Girl Costume. If you want that, go here. Not quite sure that last link is SFW. Or actually a dress, but hey.)
The Mina-dress maker says she's happy to work with you to get you what you want, even if you don't see your favorite movie on her site. So perhaps my fantasy of having all the Doris Day outfits from That Touch of Mink can become reality, after all …