PetSmart Halloween

COMMERCIAL IMAGE In this photograph taken by AP Images for PetSmart, "Lex Luther" dresses up as Superman during PetSmart's annual Howl-O-Ween costume party, Saturday, Oct. 22, 2011, in New York. (Diane Bondareff/AP Images for PetSmart) COMMERCIAL IMAGE In this photograph taken by AP Images for PetSmart, Seamus, a miniature Bull Terrier, joins in the Halloween fun at PetSmart's annual Howl-O-Ween costume party, Saturday, Oct. 22, 2011, in New York. (Diane Bondareff/AP Images for PetSmart) COMMERCIAL IMAGE In this photograph taken by AP Images for PetSmart, Alexandria, a Shih Tzu, gets ready to have her photo taken at PetSmart's annual Howl-O-Ween costume party, Saturday, Oct. 22, 2011, in New York. (Diane Bondareff/AP Images for PetSmart) COMMERCIAL IMAGE In this photograph taken by AP Images for PetSmart, American Staffordshire puppy Maci joins in the Halloween fun at PetSmart's annual Howl-O-Ween costume party, Saturday, Oct. 22, 2011, in New York. (Diane Bondareff/AP Images for PetSmart) COMMERCIAL IMAGE In this photograph taken by AP Images for PetSmart, Langston, a Pomeranian, gets ready to have his photo taken at PetSmart's annual Howl-O-Ween costume party, Saturday, Oct. 22, 2011, in New York. (Diane Bondareff/AP Images for PetSmart) COMMERCIAL IMAGE In this photograph taken by AP Images for PetSmart, LaLa, a Maltese, and her pet parent Timecia Mentore, of Brooklyn, NY, join in Halloween fun at PetSmart's annual Howl-O-Ween costume party, Saturday, Oct. 22, 2011, in New York. (Diane Bondareff/AP Images for PetSmart) This product image courtesy of PetSmart shows the Top Paw Bee Costume. Pet owners will dress up millions of dogs this month for Halloween parades, parties, pictures, contests or candy hunts. (AP Photo/PetSmart) (AP Photo/PetSmart)