Celeb-inspired Halloween pet costumes

People love their pets — and some even go as far to treat them as their children! So it should come as no surprise that you'll probably see a few adorable dogs (and even cats) dressed up for Halloween this year. For the premiere episode of "Celebrity Pet Project," host Theo Von takes a look at several pooches in disguise as Elvis, Marilyn Monroe, and even Katy Perry. Which costume is your fave?

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