Model Christine Teigen attends the 2014 Billboard Music Awards at the MGM Grand Garden Arena on May 18, 2014 in Las Vegas, Nevada. (Photo by Kevin Mazur/Billboard Awards 2014/WireImage)

A model presents a creation from the fashion label Kakopieros during Australian Fashion week in Sydney, Australia, May 20, 2016. (Photo by David Gray/Reuters)

Model Bella Hadid has her make-up done inside Blenheim Palace ahead of a fashion show presenting the Dior, Cruise 2017 Collection, in Woodstock, Britain May 31, 2016. (Photo by Dylan Martinez/Reuters)

A model poses with her bodypainting designed by bodypainting artist Arianna Barlini from Italy, in the 2016 World Bodypainting Festival, 2016 in Poertschach am Woerthersee, Austria. (Photo by Didier Messens/Getty Images)

A model displays a collection called “Chubby Chaser” by Netherlands-based Maison The Faux during New York Fashion Week in New York on September 9, 2016. (Photo by Angela Weiss/AFP Photo)

Model Jessie May Smart poses with Blue Morpho butterflys, ahead of the opening of, “Butterflies in the Glasshouse”, at RHS Wisley in Wisley, Britain, January 13, 2017. (Photo by Peter Nicholls/Reuters)

Heidi Klum direct a photoshoot for “Germany's Next Top Model” on set filming on Hollywood Boulevard, Los Angeles, USA on January 25, 2017. (Photo by Splash News and Picture)

Workers look at exotic models and p*rn actresses standing on the top of a bus waving to people to promote the “Expo Sеx and Eroticism” adult exhibition in Mexico City, Mexico March 1, 2017. (Photo by Carlos Jasso/Reuters)