It's that time of year again, when the temp starts to drop and the candy corn makes a return appearance on the supermarket shelves. This can mean only one thing: Halloween is almost here! We're all guilty of scrambling to a novelty shop at the last minute to find just the right costume to express our alter ego, but how often do we rewear that Batgirl costume stuffed in the back of the closet? Probably never. So this year, why not give these dresses from your favorite retailers a try? Add a few simple accessories and instantly become a witch, a goddess, or even a disco diva. Scroll down to see (and shop) our favorite picks. We promise, you'll definitely be revisiting these dresses in the future.