A model poses backstage at the Topshop Unique catwalk show during London Fashion Week in London, Britain February 19, 2017. (Photo by Neil Hall/Reuters)

A model presents a creation of Peruvian designer Ani Alvarez Calderon during Fashion Week in Lima, Peru, April 25, 2017. (Photo by Guadalupe Pardo/Reuters)

A model walks down the runway wearing Agua Clara swimwear at a FUNKSHION fashion show during Swim Week, Saturday, July 22, 2017, in Miami Beach, Fla. (Photo by Lynne Sladky/AP Photo)

A model wears a creation for Stephane Rolland's Spring-Summer 2016 Haute Couture fashion collection presented in Paris, Tuesday, January 26, 2016. (Photo by Francois Mori/AP Photo)

A model presents a creation by Chinese designer Hu Sheguang from Sheguang Hu collection at China Fashion Week in Beijing, March 31, 2016. (Photo by Jason Lee/Reuters)

A model is reflected in a mirror as she applies make up backstage during Kazakhstan Fashion Week in Almaty, Kazakhstan, April 19, 2016. (Photo by Shamil Zhumatov/Reuters)

Models wear creations from the Ronaldo Fraga collection during the Sao Paulo Fashion Week in Sao Paulo, Brazil, Monday, April 25, 2016. (Photo by Andre Penner/AP Photo)

Models wait backstage ahead of the Eugenia Kim Spring/Summer 2018 fashion show during New York Fashion Week in New York, U.S., September 10, 2017. (Photo by Amr Alfiky/Reuters)