Kaia Gerber walks the runway during the Sacai Ready to Wear Spring/Summer 2020 fashion show as part of Paris Fashion Week on September 30, 2019 in Paris, France. (Photo by WWD/Rex Features/Shutterstock)





A model presents a creation by designer Isabel Marant as part of her Spring/Summer 2020 women's ready-to-wear collection show during Paris Fashion Week in Paris, France, September 26, 2019. (Photo by Gonzalo Fuentes/Reuters)





A model presents a creation by designer Richard Rene as part of his Spring/Summer 2020 women's ready-to-wear collection show for fashion house Guy Laroche during Paris Fashion Week in Paris, France, September 25, 2019. (Photo by Gonzalo Fuentes/Reuters)





Model Kaia Gerber presents a creation by designer Isabel Marant as part of her Spring/Summer 2020 women's ready-to-wear collection show during Paris Fashion Week in Paris, France, September 26, 2019. (Photo by Gonzalo Fuentes/Reuters)





A model presents a creation by designer Olivier Rousteing as part of his Spring/Summer 2020 women's ready-to-wear collection show for Balmain fashion house during Paris Fashion Week in Paris, France, September 27, 2019. (Photo by Benoit Tessier/Reuters)





A model presents a creation by designer Richard Rene as part of his Spring/Summer 2020 women's ready-to-wear collection show for fashion house Guy Laroche during Paris Fashion Week in Paris, France, September 25, 2019. (Photo by Gonzalo Fuentes/Reuters)





Models display the Spring/Summer 2020 women's ready-to-wear collection as they attend a presentation for fashion house Patou during Paris Fashion Week in Paris, France, September 25, 2019. (Photo by Christian Hartmann/Reuters)





A model presents a creation by designer Olivier Rousteing as part of his Spring/Summer 2020 women's ready-to-wear collection show for Balmain fashion house during Paris Fashion Week in Paris, France, September 27, 2019. (Photo by Benoit Tessier/Reuters)





A model presents a creation by designer Isabel Marant as part of her Spring/Summer 2020 women's ready-to-wear collection show during Paris Fashion Week in Paris, France, September 26, 2019. (Photo by Gonzalo Fuentes/Reuters)





Models present creations by designer Olivier Rousteing as part of his Spring/Summer 2020 women's ready-to-wear collection show for Balmain fashion house during Paris Fashion Week in Paris, France, September 27, 2019. (Photo by Benoit Tessier/Reuters)





Model Gigi Hadid presents a creation by designer Isabel Marant as part of her Spring/Summer 2020 women's ready-to-wear collection show during Paris Fashion Week in Paris, France, September 26, 2019. (Photo by Gonzalo Fuentes/Reuters)





Models present creations by designer Olivier Rousteing as part of his Spring/Summer 2020 women's ready-to-wear collection show for Balmain fashion house during Paris Fashion Week in Paris, France, September 27, 2019. (Photo by Benoit Tessier/Reuters)





A model presents a creation by designer Olivier Rousteing as part of his Spring/Summer 2020 women's ready-to-wear collection show for Balmain fashion house during Paris Fashion Week in Paris, France, September 27, 2019. (Photo by Benoit Tessier/Reuters)





A model presents a creation by designer Satoshi Kondo as part of his Spring/Summer 2020 women's ready-to-wear collection show for fashion house Issey Miyake during Paris Fashion Week in Paris, France, September 27, 2019. (Photo by Gonzalo Fuentes/Reuters)





Model Daisy-May Demetre presents a creation by designer Eni Hegedus-Buiron for luxury children's wear label Lulu et Gigi during Paris Fashion Week in Paris, France, September 27, 2019. Nine-year-old Demetre, whose legs were amputated due to a birth defect, became the first double amputee to walk the runway in Paris Fashion Week, when she modeled for Lulu et Gigi inside the Eiffel Tower. (Photo by Gonzalo Fuentes/Reuters)





Model Kaia Gerber presents a creation by designer Virginie Viard as part of her Spring/Summer 2020 women's ready-to-wear collection show for fashion house Chanel during the Paris Fashion Week in Paris, France, October 1, 2019. (Photo by Gonzalo Fuentes/Reuters)





Model present creations by designer Virginie Viard as part of her Spring/Summer 2020 women's ready-to-wear collection show for fashion house Chanel during the Paris Fashion Week in Paris, France, October 1, 2019. (Photo by Gonzalo Fuentes/Reuters)





A model wears a creation for Christian Dior's Spring/Summer 2019 ready to wear fashion collection presented in Paris, Monday, September 24, 2018. (Photo by Christophe Ena/AP Photo)





A model wears a creation as part of the Dior Ready To Wear Spring-Summer 2020 collection, unveiled during the fashion week, in Paris, Monday, September 24, 2019. (Photo by Vianney Le Caer/Invision/AP Photo)





Models wear creations as part of the Saint Laurent Ready To Wear Spring-Summer 2020 collection, unveiled during the fashion week, in Paris, Tuesday, September 24, 2019. (Photo by Vianney Le Caer/Invision/AP Photo)





Models wear creations as part of the Mugler Ready To Wear Spring-Summer 2020 collection, unveiled during the fashion week, in Paris, Wednesday, September 25, 2019. (Photo by Francois Mori/AP Photo)





A model wears a creation as part of the Mugler Ready To Wear Spring-Summer 2020 collection, unveiled during the fashion week, in Paris, Wednesday, September 25, 2019. (Photo by Francois Mori/AP Photo)





A model wears a creation as part of the Margiela Ready To Wear Spring-Summer 2020 collection, unveiled during the fashion week, in Paris, Wednesday, September 25, 2019. (Photo by Vianney Le Caer/Invision/AP Photo)





Bella Hadid walks the runway during the Mugler Ready to Wear Spring/Summer 2020 fashion show as part of Paris Fashion Week on September 25, 2019 in Paris, France. (Photo by Dominique Maitre/WWD/Rex Features/Shutterstock)





A model walks the runway during the Etam Winter 2019/Summer 2020 show as part of Paris Fashion Week At Roland Garros on September 24, 2019 in Paris, France. (Photo by Laurent Vu/SIPA Press)





Kaia Gerber walks the runway during the Saint Laurent Ready to Wear Spring/Summer 2020 fashion show as part of Paris Fashion Week on September 24, 2019 in Paris, France. (Photo by Victor VIRGILE/Gamma-Rapho via Getty Images)





Models backstage ahead of the Etam Winter 2019/Summer 2020 show as part of Paris Fashion Week At Roland Garros on September 24, 2019 in Paris, France. (Photo by Rex Features/Shutterstock/SIPA Press)