A model backstage before the Issa London runway show at London Fashion Week Spring/Summer 2012 on September 17, 2011 in London, England. (Photo by Tim Whitby/Getty Images)

A model showcases designs on the catwalk during the NE(degrees)¤TIGER Couture 2012 on the second day of China Fashion Week Spring/Summer 2012 on October 25, 2011 in Beijing, China. (Photo by Feng Li/Getty Images)

Models prepare backstage before a fashion show by Israeli designer Yossef during the Tel Aviv Fashion Week on November 21, 2011 in Tel Aviv, Israel. (Photo by Uriel Sinai/Getty Images)

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 has her hair done before The Blonds Spring/Summer 2016 collection during New York Fashion Week in New York September 16, 2015. (Photo by Carlo Allegri/Reuters)

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)

Models present creations for fashion house Dolce & Gabbana during the Women' s Spring/ Summer 2018 fashion shows in Milan, on September 24, 2017. (Photo by Andreas Solaro/AFP Photo)

A model has her hair done backstage before the Taoray Wang fashion show during New York Fashion Week in New York, New York, 09 February 2019. New York Fashion Week for designer's autumn and winter lines is being held from 06 to 13 February 2019. (Photo by Peter Foley/EPA/EFE)