Halloween 2015: Top Costume Trends

Zombies, princesses and minions are all on the list this year.

— -- October is here -- and that means that it is officially time to begin thinking about your Halloween costume!

According to new data from Pinterest, the National Retail Federation and Halloween costume retailer Spirit Halloween, this year's hottest costume trends include big-name superheroes, fairy tale favorites, science-fiction all-stars and throwback Thursday outfits.

Scroll down to get a sneak-preview of some of the adult, children and pet Halloween costumes that will be sure to make an appearance by trick-or-treaters this year.

Group Costumes

Superheroes

Minions

Minions are among the top Halloween trends for adults, kids and pets this year, with one million people planning to be a minion for Halloween, according to the National Retail Federation. A minion costume can be purchased at retailers such as Spirit Halloween and Party City, but can also be an easy DIY project if you're feeling crafty.

Throwback Costumes

Princesses

Princesses will be ruling the streets this Halloween. Still a popular choice two years after it's release are "Frozen" princesses Elsa and Anna. According to the National Retail Federation, two million people planning to dress as their favorite "Frozen" character this year. Classic Disney Princess such as Cinderella, Snow White, Jasmine and Ariel are also in hot demand.

Disney is the parent company of ABC News.