Models have their hair styled backstage while preparing to present creations by Chinese designer Zeng Fengfei during China Fashion Week in Beijing, Sunday, March 29, 2015. (Photo by Mark Schiefelbein/AP Photo)

Models are filmed walking backstage before the Victoria's Secret Fashion Show in the Manhattan borough of New York November 10, 2015. (Photo by Carlo Allegri/Reuters)

A model presents a creation by Japanese lingerie brand Peach John from its Autumn/Winter 2016 collection during Tokyo Fashion Week in Tokyo, Japan, March 15, 2016. (Photo by Toru Hanai/Reuters)

Models display a creation by K-Lynn Lingerie during a fashion show in the Lebanese capital Beirut on April 24, 2016. (Photo by Anwar Amro/AFP Photo)

Model Kendall Jenner arrives on the red carpet for the annual White House Correspondents Association Dinner in Washington, U.S., April 30, 2016. (Photo by Jonathan Ernst/Reuters)

A model jumps during a photo shooting, in Milan, Italy, Friday, January 15, 2016. Men's fashion week starts today and will run until Tuesday, January 19. (Photo by Luca Bruno/AP Photo)

Models present creations by fashion design students of the Taiwanese Shih Chien university at the Berlin Fashion Week Autumn/Winter 2016 in Berlin, Germany, January 22, 2016. (Photo by Fabrizio Bensch/Reuters)

Models walk in the finale of the Jeremy Scott Fall 2016 collection during Fashion Week in New York, Monday, February 15, 2016. (Photo by Richard Drew/AP Photo)