A women wearing a mask to protect from extreme smog visits the Tiananmen Gate in Beijing December 8, 2015 as China's capital issues its first ever "red alert" for pollution. (Photo by Damir Sagolj/Reuters)

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 by Chinese designer Chen Wen at China Fashion Week in Beijing, China March 29, 2017. (Photo by Jason Lee/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 gets final adjustments back stage before participating in a plus size fashion show in Nairobi, Kenya, October 7, 2017. (Photo by Baz Ratner/Reuters)

A model presents a creation by DB Berdan during the Mercedes-Benz Fashion Week in Istanbul, Turkey March 28, 2018. (Photo by Osman Orsal/Reuters)

American fashion model Simone Thompson, better known as Slick Woods walks at the Savage x Fenty – September 2018 – New York Fashion Week at Brooklyn Navy Yard on September 12, 2018 in Brooklyn, New York. (Photo by Presley Ann/Patrick McMullan via Getty Images)