The best time to begin preparing for prom dresses is in January and February. This is only after the year has been published for the latest prom dress sets. You’ll see the most dresses possible by shopping in January before any styles are sold out. You can have it reserved for you even though you do not want to buy your outfit. Many shops can also order dresses seen on the websites of the brand. If you can’t find a specific dress in stock, ask if an order can be made for you.