Check out these costumes -- like this Tinker Bell outfit -- to dress your furry friend in before taking him or her out for Halloween.
You can even make your dog into a super hero, like Spider-Man.
Or one of your favorite Disney characters, like Snow White ...
or Peter Pan.
Some of the more popular dog costumes include a pumpkin ...
a princess ...
a skeleton ...
a devil ...
or an angel ...
or even a bumble bee.
Cats can get in on the fun, too, with accessories like this witch hat.
Other popular cat costumes include a pumpkin ...
and an angel.
Here are some other pets dressed up in their Halloween finery.
Tontite, a Pomeranian dressed as "Zorro."
Two Chow Chows dressed in clown costumes, Fat Choi and Fat Chai, are seen during a "Scaredy Cats and Dogs" Halloween fund-raising event.
Poypoy, an Aspin dog, is dressed in a clown costume.
A girl dressed as a fairy reaches for her dog's leash.
A dog dressed with a bee costume sticks out its tongue.
A dog dressed in a spider costume takes part in a Halloween costume parade for pets.
A pet owner holds his dog while posing for photographers during a Halloween Dog Dressing Contest.
A pet owner holds his dog while posing for photographers at a Halloween event.
A pet owner holds her dog while posing for photographers during a Halloween Dog Dressing Contest.
Minerva Katherine Warren, a Miniature Schnauzer, appears as a ballerina at a Halloween party for dogs at Biscuits and Bath, a provider of dog care services on the Upper East Side of New York.
Austin, a Boston Terrier, wears a football outfit at a Halloween party for dogs at Biscuits and Bath.