Naomi Campbell attends the Swarovski Fashionation at Palazzo Reale on June 7, 2011 in Milan, Italy. (Photo by Vittorio Zunino Celotto/Getty Images)

A woman wearing a four-leaf clover-like hairpin takes a selfie nearby Nanluoguxiang street in Beijing, China, September 16, 2015. Wearing antenna styled hairpins in the shape of various flowers and plants at scenic spots has become a new trend in Beijing. (Photo by Kim Kyung-Hoon/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 backstage ahead of the Dee by Dalia show during Fashion Forward Fall/Winter 2016 held at the Dubai Design District on April 2, 2016 in Dubai, United Arab Emirates. (Photo by Stuart C. Wilson/Getty Images)

A model wears a creation by Inmaculada Martinez on the backstage, during the International Flamenco Fashion Show SIMOF in the Andalusian capital of Seville, Spain February 8, 2019. (Photo by Marcelo del Pozo/Reuters)

A women wearing a mask to protect from extreme smog visits the Tiananmen Gate in Beijing December 8, 2015 as China's capital issues its first ever "red alert" for pollution. (Photo by Damir Sagolj/Reuters)

Models wear creations by brand Leonisa during Colombiamoda fashion event in Medellin, Colombia, July 28, 2015. (Photo by Fredy Builes/Reuters)