So, how’s that summer shopping going? What’s that you say? You haven’t even started on a new summer look? Normally this would be a disaster — it’s late April, everyone! Shorts season is coming! — but luckily Vulture has been keeping an eye on the fashion, and we can now present you with a foolproof guide to 2013’s most important trends. Summer movie fashion trends, that is. You wanted to dress like the people in movies, right? Great! Here’s what to buy.