MILAN, ITALY - SEPTEMBER 25:  Supermodel Alessandra Ambrosio is seen  backstage ahead of the Philosophy di Lorenzo Serafini show during Milan Fashion Week Spring/Summer 2016  on September 25, 2015 in Milan, Italy.  (Photo by S. Alemdar/Getty Images)
LONDON, ENGLAND - FEBRUARY 15:  A model is beign styled backstage at the Holly Fulton show at London Fashion Week AW14 at Somerset House on February 15, 2014 in London, England.  (Photo by Tristan Fewings/Getty Images)
BERLIN, GERMANY - JANUARY 19:  A make-up artist applies nail polish to the fingernails of a model backstage ahead of the It's Showtime - Maybelline New York 100th Anniversary show during the Mercedes-Benz Fashion Week Berlin Autumn/Winter 2015/16 at Brandenburg Gate on January 19, 2015 in Berlin, Germany.  (Photo by Joern Pollex/Getty Images for IMG)