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Katherine Heigl and Josh Kelley give some love to their youngest son, Josh Jr., before taking a family photo on Main Street during Park City's annual trick-or-treating event Tuesday evening, October 31, 2017. The family dressed as Russian nesting dolls. (Tanzi Propst/Park Record)

Josh Kelley holds Josh Jr. as they pose with Katherine Heigl and the rest of their children for a family photo on Main Street during Park City's annual trick-or-treating event Tuesday evening, October 31, 2017. The family dressed as Russian nesting dolls. (Tanzi Propst/Park Record)

Adelaide Kelley, 5, receives a handful of candy from a Main Street business during Park City's annual trick-or-treating event Tuesday evening, October 31, 2017. Kelley and her family were dressed as Russian nesting dolls. (Tanzi Propst/Park Record)

Olivia Brewer, 8, sifts through a basket of candy while trick-or-treating with her sister and friends on Main Street during the annual holiday event Tuesday evening, October 31, 2017. Brewer was dressed as a Tootsie Roll, though her favorite candy is Skittles. (Tanzi Propst/Park Record)

Adalaide Kelley, 5, leads the way down Main Street, followed closely by her mother, Katherine Heigl, and siblings Josh Jr., 10 months, and Nancy Kelley, 8, during Park City's annual trick-or-treating event Tuesday evening, October 31, 2017. The family dressed as Russian nesting dolls. (Tanzi Propst/Park Record)

Harry "Pawtter" dons his Hogwarts robes as he strolls Main Street with his owner during the annual trick-or-treating event Tuesday evening, October 31, 2017. (Tanzi Propst/Park Record)

James Checksfield, 2, picks out an orange from a basket of candy and fruit while he and his mom trick-or-treat on Main Street during the annual holiday event Tuesday evening, October 31, 2017. Checks field was dressed as an owl. (Tanzi Propst/Park Record)

Locals and vacationers trick-or-treat on Main Street, dressed to the nines in creative costumes during the annual holiday event Tuesday evening, October 31, 2017. (Tanzi Propst/Park Record)

A young girl dressed as Belle from Disney's "Beauty and the Beast" trick-or-treats down Main Street during the annual holiday event Tuesday evening, October 31, 2017.(Tanzi Propst/Park Record)

Front row, from left: Miller Wolf, 4, and Nico Lund, 4. Back row, from left: Mattias Lund, 7, Pierce Adams, 8, Luca Lund, 9, and Jackson Wolf, 8, pose for a photo on Main Street in full costume during the annual trick-or-treating event Tuesday evening, October 31, 2017. (Tanzi Propst/Park Record)

Eddie Hobfoll, 3, holds hands with his dad, Ari Hobfoll, as their family trick-or-treats on Main Street during the annual holiday event Tuesday evening, October 31, 2017. Eddie and his mother dressed as ghosts and his father dressed as Waldo. (Tanzi Propst/Park Record)

Star Wars' Darth Vader parades up Main Street with his storm troopers during the annual trick-or-treating event Tuesday evening, October 31, 2017. (Tanzi Propst/Park Record)

Stephanie Bass, middle, leads a dance to "Thriller" on lower Main Street before the annual Howl-O-Ween Dog Parade Tuesday evening, October 13, 2017. The group included many young faces, dressed to the nines in their costumes. (Tanzi Propst/Park Record)

Stephanie Bass, left, and Mary Closser, right, help to lead a dance to "Thriller" on lower Main Street before the annual Howl-O-Ween Dog Parade Tuesday evening, October 13, 2017. The group included many young faces, dressed to the nines in their costumes. (Tanzi Propst/Park Record)

Stephanie Bass, middle, strikes a final pose with her dance group after performing a short dance to "Thriller" on lower Main Street before the annual Howl-O-Ween Dog Parade Tuesday evening, October 13, 2017. The group included many young faces, dressed to the nines in their costumes. (Tanzi Propst/Park Record)

The 2017 Howl-O-Ween Dog Parade kicks off on Lower Main Street following the annual trick-or-treating event Tuesday evening, October 31, 2017. (Tanzi Propst/Park Record)

Superman Luke Gunlock, 3, hitches a ride in a Radio Flyer wagon with his dogs during the Howl-O-Ween Dog Parade on Lower Main Street Tuesday evening, October 31, 2017. Luke was closely followed by Henri Nelmark, 4, who was dressed as Teenage Mutant Ninja Turtle Raphael. (Tanzi Propst/Park Record)

Cowgirl Roxy prances up lower Main Street with her owners Hannah and Travis Whiting during the Howl-O-Ween Dog Parade Tuesday evening, October 31, 2017. (Tanzi Propst/Park Record)