Traditional Ghost There's a reason a ghost is a classic Halloween costume: it's one of the easiest outfits you can assemble at the last minute.

By the early 2000s, adult costuming saw a surge in “sexy” costume popularity with the emergence of slinkier versions of everything from nuns to animals to fictional characters.

There are plenty of great options to go as more traditional Halloween characters, like a mummy, vampire, ghost or skeleton. Many of these costumes are unisex, which is great for buying double and ...

Kirn Vintage Stock/Corbis via Getty Images This fuss-free, low-effort costume is the second most popular among kids on Halloween, with 1.8 million children planning to dress as a ghost this year.