Until a couple of years ago, I didn’t fully appreciate how many princesses inhabit the Disney cinematic universe. Of course, I was aware of the iconic female characters from the animated movies, from Snow White through Ariel and Jasmine right up to Moana, Merida, and Elsa. If pressed, I probably would have been able to tell you that each of these individual characters is a princess, and I was certainly aware of the Disney princess phenomenon—little girls dressing up like their favorite characters for Halloween or walking through the Magic Kingdom decked out in tulle and tiaras. What hadn’t entirely…