STORY: Chicago's four legged pets put their Halloween spirit on display on Saturday (October 31) at the 39th Annual Streeterville Dog (and Cat) Halloween Party, an event that has become a Chicago tradition.

Held at the Museum of Contemporary Art (MCA) in downtown Chicago, the annual gathering featured dozens of dogs and cats dressed in elaborate outfits, with owners often joining in the theme.

Costumes ranged from a "Chia Pet" in a stroller and a ramen bowl accompanied by a chef to a werewolf, a snake paired with a Cleopatra-costumed owner and a wagon carrying a self-described "Velociraptor."

Other dogs were dressed as Dorothy from "The Wizard of Oz," a hot dog, clown, gingerbread man, cowboy and school bus, while a pair of dogs appeared as Aladdin and Jasmine.

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SHOWS: CHICAGO, ILLINOIS, UNITED STATES (OCTOBER 31, 2026) (STRINGR.COM - Access all)

1. PEOPLE DRESSED IN COSTUMES WITH THEIR PETS

2. CLOSE OF WOMAN WITH DOG DRESSED IN COSTUMES

3. VARIOUS OF PEOPLE DRESSED IN ROMAN EMPIRE COSTUMES WALKING ON STAGE WITH DOG

4. PERSON DRESSED IN INFLATABLE DOG COSTUME / PAN TO DOG IN STROLLER DRESSED AS A 'CHIA PET'

5. CLOSE OF DOG DRESSED AS 'CHIA PET'

6. CROWD

7. CLOSE OF DOG DRESSED AS DOROTHY FROM THE WIZARD OF OZ

8. PEOPLE DRESSED IN COSTUME STANDING WITH THEIR DOGS ON LEASHES

9. DOG DRESSED AS RAMEN BOWL WITH OWNER DRESSED AS A CHEF

10. CLOSE OF DOG DRESSED AS RAMEN

11. DOG IN WAGON WITH SIGN READING "DANGER VELOCIRAPTOR CONTAINMENT"

12. CLOSE OF DOG IN WAGON

13. DOG DRESSED AS POKER DEALER

14. PEOPLE POSING WITH DOG WITH 'CHEESE TAX' SIGN

15. CLOSE OF DOG WITH 'CHEESE TAX' SIGN

16. CROWD

17. DOG DRESSED AS HOTDOG

18. DOGS DRESSED AS ALADDIN AND JASMINE

19. DOG DRESSED AS SCHOOL BUS

20. DOG DRESSED AS A CLOWN

21. DOG AS GINGERBREAD MAN

22. DOG DRESSED LIKE A COWBOY

23. DOG IN A SMALL HOUSE

24. MAN DRESSED AS WEREWOLF POSING WITH DOG AND WOMAN

25. CLOSE OF DOG DRESSED AS WEREWOLF

26. WOMAN DRESSED AS CLEOPATRA / PAN TO DOG DRESSED AS SNAKE

27. CLOSE OF DOG AS SNAKE

28. MAN DRESSED AS POLICE OFFICER WITH DOG DRESSED AS POLICE OFFICER

29. CROWD

30. VARIOUS OF CATS IN COSTUME

31. CROWD