This pretty dress made of satin with golden ribbon trim is inspired by Rapunzel herself. The pretty dress with puffy sleeves includes accessories too, like a crown, gloves, long braid hairpiece, and costume jewelry.

Your little girl can dress up like Sofia the First, Disney Junior heroine, with this pretty purple gown styled after Sofia's look. The dress has beautiful details like ruffled lace sleeves and pretty ribbon trim.

This pretty dress is inspired by Elsa, the Ice Queen from Frozen. The pretty dress has a detatchable matching cape. Details like the applique bodice and brooch make this gown a spectacular look for any dress-up collection.

This pretty dress-up gown is inspired by the dress made famous by Snow White. The bright yellow skirt is made of satin covered with tulle. The rich blue bodice has an attached red bow and stand-up white collar. The back zips up and a matching blue sash can be tied for a perfect fit around the waist.

This deluxe costume for kids comes with a muscle-chest printed jumpsuit with attached wrist gauntlets and boot tops. The outfit also comes with a mask.

This awesome kid-sized accessory has claws that extend and retract!

This awesome Black Panther costume actually lights up! The jumpsuit has light trim at the chest. The jumpsuit comes with a matching mask.

A set like this affordable and easy costume was our best seller last year. The kit comes with a Batman mask and cape. Add your own black outfit and you've got one easy kid-sized Halloween costume! This is a fun staple for any dress-up closet as well!

This fun felt pirate hat is ready for embellishments to make your costume complete. It's great for pirate costumes or Revolutionary War era outfits and school projects. Add pirate sparkle or patriotic colors to complete this hat!

Guardians of the Galaxy costumes were hot last year, including this best-selling Gamora adult costume. This outfit comes with shirt with mesh sleeves and all-over print pants.

This long wavy hair wig was popular last year! The wig has an ombre color scheme, ranging from red at the tip to deep dark red close to the scalp.

Descendants costumes were very popular in 2017, including this awesome Mal child-sized wig from Descendants 2.

Pet costumes are always popular. This Top-selling dog costume from 2017 was for Christmas, not Halloween! It's a Santa Claus costume for your four-legged friend.

This awesome bushy fake mustache was the top selling costume mustache on this site last year. Brown was the most popular, but this mustache comes in five colors.

A butterfly LED magic wand like this one was a big seller last year. This model has blinking lights, moving wings, and on board music.

Another Descendants best-seller for our list! This Evie costume includes a tunic with attached vest and leggings.

Possibly the most important piece of any Harry Potter costume is the Hogwarts-issued Gryffindor House school robe. This officially licensed robe is child-sized to reach ankle length.

If you're going to be Harry Potter, you'll need his round rimmed glasses. This officially licensed costume pair should do the trick!

This easy child-size neck tie is in the same pattern as Harry Potter's Gryffindor house. The maroon tie has golden yellow stripes.

This magic wand costume accessory isn't just for looks! This wand has light effects and three different movie magic sounds.

Play lazy Deadpool with this fun one-piece pajama set for adults. The red, black, and grey PJs include a hood for maxium comfort.

This adult-sized pajama one-piece comes complete with a masked hood and attached cape.

You don't have to wear skin-tight leggings and a bustier to go all Wonder Woman -- just pick up this awesome and comfortable superhero onesie!

Dress up as the hero Superman with this comfy one-piece costume pajamas. This one comes with a cape attached with velcro.

Dress up as the DC Comics character Harley Quinn with this fun adult-sized romper. The red and black one-piece includes a hood with attached mask.

This fun red romper is an adult-sized pajama set in the style of superhero The Flash. Get this and you can zoom off to sleep in a "flash"!

Dress up your four-legged pal as Thor with this adorable two-piece costume, with the vibrant color and style of the old school comic book Thor.

This is a cute bodysuit-style dog costume in Captain America's retro comic book colors of red, white, and blue. You'll get a matching headpiece with the Cap dog shirt.

This great pet costume has your best four-legged friend dressed up as the superhero Spider-Man! With this purchase you'll receive a pet-sized shirt costume and separate mask-style headpiece.

This is an easy, fun tunic-style costume with a detached hood. This costume, like the others listed here, comes in various sizes to fit a variety of dog breeds.

Bring along your very own green monster Incredible Hulk for Halloween this year! This is a fun muscle-look pet costume with a Hulk hood. This would be a great team costume if you dress up as mild-mannered Bruce Banner!