After earning $800 million at the box office this summer, it's no surprise that this is the most popular Halloween costume of the year. Not to mention Wonder Woman was also directed by a woman. That's a lot of girl power!

Harley Quinn is another character that saw a resurgence in popularity after a movie. Since 2016's Suicide Squad, the Harley Quinn fandom has only grown.

Stephen King's terrifying clown known as Pennywise has been creeping out generations since 1986. With the film adaptation of It released in September, you may run into a few spectators in full character at the movies this Halloween.

Ahh unicorns...the mythical creature who has taken on a whole new meaning in the social media era. Embraced by brands and beauty bloggers, its become a symbol for uniqueness that is so unapologetic it feels magical.

Celebrate your individuality in this charming costume.

If you're looking for a rabbit costume, there are so many rabbits to choose from! Mad Hatter, Jessica Rabbit, Roger Rabbit, Easter Bunny, the list goes on. This is also an easy DIY costume if you prefer to make a costume rather than buy it.

A timeless Halloween costume that works for any age. Grab your pointy hat and wooden broom, the witch is here to stay!

Who doesn't love Minnie and Mickey? If you're going as the Disney icons for Halloween, this could also make a cute couple's costume.

ARRRRRRRRR! The best part about this costume is you get to show off the pirate accent you've been working on all year.

If we are really headed toward a zombie apocalypse, what better time to practice your zombie walk than on Halloween?

Frankly, look at this costume and imagine it bopping down the street... It's hilarious!