At the D23 Expo last year, Disney announced that every Disney princess, with most of the original voice actors, would be returning to the big-screen in the new Wreck It Ralph movie, Ralph Breaks The Internet. Ahead of the film’s release next week, we sat down with a few behind-the-scenes folks—art director Ami Thompson, co-writer Pamela Ribon, and head of animation Kira Lehtomaki—to find out how the Disney princess reunion came together.