Models dance during the presentation of Stella McCartney's Spring-Summer 2017 ready-to-wear fashion collection presented Monday, October 3, 2016 in Paris. (Photo by Francois Mori/AP Photo)

A model wears a creation for Miu Miu's Spring-Summer 2017 ready-to-wear fashion collection presented Wednesday, October 5, 2016 in Paris. (Photo by Francois Mori/AP Photo)

A model gets ready backstage during the Tbilisi Fashion Week in Tbilisi, Georgia, on October 27, 2017. The presentation of the Spring/Summer 2018 collections runs from 27 to 30 October. (Photo by David Mdzinarishvili/Reuters)

Model Lea Vlamos wears a creation for the Jean Paul Gaultier Haute Couture Spring-Summer 2018 fashion collection presented in Paris, Wednesday, January 24, 2018. (Photo by Francois Mori/AP Photo)

A model presents a creation for a make-up styling show by Mao Geping at China Fashion Week in Beijing, China March 26, 2018. (Photo by Jason Lee/Reuters)

Models pose backstage ahead of the Zhivago show at Mercedes-Benz Fashion Week Resort 17 Collections at Carriageworks on May 16, 2016 in Sydney, Australia. (Photo by Mark Nolan/Getty Images)

A model walks the runway during the We Are Handsome show at Mercedes-Benz Fashion Week Resort 17 Collections at Carriageworks on May 19, 2016 in Sydney, Australia. (Photo by Stefan Gosatti/Getty Images)

A model presents a creation at the Nasir Mazhar catwalk show at London Collections Men in London, Britain June 11, 2016. (Photo by Neil Hall/Reuters)