A model wears a creation for the Andreas Kronthaler for Vivienne Westwood ready-to-wear fall/winter 2018/2019 fashion week runway show in Paris, Saturday, March 3, 2018. (Photo by Vianney Le Caer/Invision/AP Photo)

A model walks the runway during the Vivienne Westwood show as part of the Paris Fashion Week Womenswear Fall/Winter 2018/2019 on March 3, 2018 in Paris, France. (Photo by Patrick Kovarik/WireImage)

A model is groomed backstage of the Fashion East catwalk show during London Fashion Week Spring/Summer 2017 in London, Britain September 17, 2016. (Photo by Neil Hall/Reuters)

A model takes selfie with mobile phone as she presents a creation from the Dolce & Gabbana Spring/Summer 2016 collection during Milan Fashion Week in Italy, September 27, 2015. (Photo by Stefano Rellandini/Reuters)

Audience take photos of a model presenting a creation by Greek designer Dimitrios Ordoulidis during the 10th Athens Exclusive Fashion Week in Athens, Greece, October 22, 2016. (Photo by Alkis Konstantinidis/Reuters)

A model presents a creation from the Juozas Statkevicius Spring-Summer 2018 fashion collection in Vilnius, Lithuania, Thursday, November 9, 2017. (Photo by Mindaugas Kulbis/AP Photo)

Liu Xu presents a creation from The Blonds Fall 2018 collection during New York Fashion Week in New York, USA, on February 14, 2018. (Photo by Caitlin Ochs/Reuters)

A model presents a creation by designer Maxime Simoens as part of his Haute Couture Fall-Winter 2018/2019 fashion show for fashion house Azzaro Couture in Paris, France, July 1, 2018. (Photo by Regis Duvignau/Reuters)