Throw on the costumes, grab the pup and strut your stuff trick-or-treating along North Halsted from Aldine to Cornelia for dog treats, prizes, swag and giveaways. Register your dogs for $10 either on-line or in person. Stop off at Lark Restaurant & Bar on their Pup Patio Brunch from 11a til 3p (Miss Foozie prize drawing at 2p). Be sure to stop at Miss Foozie's photo booth by TwoCatPhotography for a free professional digital download.