A participant wearing a cosplay costume attends the Japan Expo in Marseille, France, February 22, 2019. (Photo by Jean-Paul Pelissier/Reuters)

Dancers at the Windmill Theatre in London, England practice a routine wearing gas masks and hard-hats with their costumes, 1940. (Photo by Hulton Archive/Getty Images)

A businessman walks past an empty baby Tyrannosaurus rex costume near Faneuil Hall in Boston, Thursday, May 17, 2018. An actor left the costume on the sidewalk as he went to retrieve his parked car, after entertaining midday tourists. (Photo by Charles Krupa/AP Photo)

A reveller wearing a costume dances as she holds a dring during the carnival street parade in Valletta, Malta, February 25, 2017. (Photo by Darrin Zammit Lupi/Reuters)

Balinese girls in traditional costumes gather during a parade for this year's last sundown in Bali island, Indonesia Thursday, December 31, 2015. (Photo by Firdia Lisnawati/AP Photo)

A dog dressed in a costume takes part in the Pet's Halloween Day parade at Abtao Park in San Isidro, Lima, October 31, 2016. (Photo by Guadalupe Pardo/Reuters)

Participants wearing historical costumes ride their high-wheel bicycles during the annual penny farthing race in Prague, Czech Republic November 5, 2016. (Photo by David W. Cerny/Reuters)

A street vendor wearing a Santa Claus costume sits next to a girl at the boulevard of Sabana Grande in Caracas, Venezuela December 19, 2016. (Photo by Marco Bello/Reuters)