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)

A model backstagee is pictured before the Philipp Plein Spring/Summer 2016 collection during Milan Fashion Week in Italy September 23, 2015. (Photo by Alessandro Garofalo/Reuters)

A model checks her mobile phone backstage during Kazakhstan Fashion Week in Almaty, Kazakhstan, October 14, 2015. (Photo by Shamil Zhumatov/Reuters)

A model waits to present a creation by Chinese designer Hu Sheguang for his collection show during China Fashion Week S/S 2016 in Beijing October 26, 2015. (Photo by Jason Lee/Reuters)

A model presents a creation during the 2015 Victoria's Secret Fashion Show in New York, November 10, 2015. (Photo by Lucas Jackson/Reuters)

A model presents a creation during the 2015 Victoria's Secret Fashion Show in New York, November 10, 2015. (Photo by Lucas Jackson/Reuters)

A security guard looks at the models during La Perla’s presentation at the Dream Hotel. Mercedes-Benz Fashion Week, New York City, Spring 2014. From the series “Fashion Lust”. (Photo by Dina Litovsky)

Models walk the runway at the Maria Escote show during Madrid Fashion Week Fall/Winter 2015/16 at Ifema on February 10, 2015 in Madrid, Spain. (Photo by Carlos Alvarez/Getty Images)