It’s that time of year. Dresses are being purchased. Corsages are being ordered. Votes are being cast. It’s the much hyped, over-the-top culmination of your high school career: it’s prom. Whether yours was 15 years ago or you're gearing up for your first round, let’s take a look back at the best proms none of us attended but all of us experienced (from the small and silver screens).