Models on the catwalk Yeezy: Season 4 show, Spring Summer 2017, New York Fashion Week, USA on September 7, 2016. (Photo by Your Name/BFA/Rex Features/Shutterstock)

A competitor poses on the catwalk during the Miss Bumbum Brazil 2016 pageant in Sao Paulo, Brazil on November 9, 2016. Fifteen candidates compete in the annual pageant to select Brazil' s sexiest female rear end. (Photo by Miguel Schincariol/AFP Photo)

Model Daisy Lowe presents a creation at the Katie Eary catwalk show during London Fashion Week Men's 2017 in London, Britain January 7, 2017. (Photo by Neil Hall/Reuters)

US model Binx Walton strutted out with a boob exposed and only a glittery love heart ­protecting her modesty in Anthony Vaccarello’s debut show for Saint ­Laurent on September 27, 2016. The Sun found out how the trend measured up on trip to the shops. Here: Isabella Besque 21 from London tries out the nipple cover look as seen Paris Fashion week on the streets of London, England on October 7, 2016. (Photo by Stewart Williams/The Sun)

Models on the catwalk for the launch of retailer Myer’s autumn 17 collection at the University of Melbourne, Australia on February 16, 2017. (Photo by Tracey Nearmy/AAP)

A model on the catwalk for the Tom Ford show at New York fashion week in New York, USA on September 6, 2017. (Photo by Swan Gallet/Shutterstock)

Model Jennifer Hawkins showcases designs by Yeojin Bae on the catwalk at the Myer A/W 2012 Collection Launch on March 1, 2012 in Melbourne, Australia. (Photo by Scott Barbour/Getty Images)

A competitor poses on the catwalk during the Miss Bumbum Brazil 2017 pageant in Sao Paulo on November 07, 2017. Fifteen candidates are competing in the annual pageant to select the Brazil's sexiest female rear end. (Photo by Nelson Almeida/AFP Photo)