Models pose backstage at the Celia Kritharioti Spring/Summer 2012 fashion show at One Mayfair on March 20, 2012 in London, England. (Photo by Ian Gavan/Getty Images For Celia Kritharioti)

A Canadian fashion model Coco Rocha By Craig McDean. Vogue US (May 2008). Photographer: Craig McDean; Fashion Editor: Grace Coddington; Editorial: Daring Do; Model: Coco Rocha; Hair: Julien d’YS; Makeup: Diane Kendall. (Photo by Craig McDean/Vogue)

A model poses at Checkpoint Charlie, a historic place in the German capital to promote the fashion magazine “Sous” on June 12, 2012. (Photo by Maurizio Gambarini)

Models wait backstage during the Ukrainian Fashion Week in Kiev, October 16, 2015. (Photo by Valentyn Ogirenko/Reuters)

A model attends a fashion show at the “German Fetish Ball” in Berlin, Germany on May 12, 2018. (Photo by Hannibal Hanschke/Reuters)

Madeline is the first person with Down's syndrome to ever stride down a runway as a model during New York Fashion Week. Here: Model Madeline Stuart stands backstage between two male models at New York Fashion Week in New York City, U.S., September 6, 2018. (Photo by Andrew Kelly/Reuters)

Model Cara Delevingne is surrounded by photographers as she arrives to attend German designer Karl Lagerfeld's Spring/Summer 2016 women's ready-to-wear collection show for fashion house Chanel at the Grand Palais which is transformed into a Chanel airport during the Fashion Week in Paris, France, October 6, 2015. (Photo by Charles Platiau/Reuters)