PHOTOS: Top Halloween Costumes

Each year millions of Americans dress up and seek candy and other treats. Young adults spend an average of $34 on their costumes, according to the National Retail Federation. So what will this year's top picks be? Here's what the retailers think.

Every girl wants to be a princess, right? Well Halloween is one good excuse to dress up as one. Princesses are the top costumes for little girls with more than 10 percent of them choosing to be a little bit of royalty.