Model Bella Hadid leads other models as part of the Cavalli women's 2019 Spring-Summer collection, unveiled during the Fashion Week in Milan, Italy.

A model wears a creation as part of the Cavalli women's 2019 Spring-Summer collection, unveiled during the Fashion Week in Milan, Italy.

A model wears a creation as part of the Giorgio Armani women's 2019 Spring-Summer collection, unveiled during the Fashion Week in Milan, Italy.

Model Helena Christensen wears a creation as part of the Dolce & Gabbana women's 2019 Spring-Summer collection, unveiled during the Fashion Week in Milan, Italy.

A model wears a creation as part of the Dolce & Gabbana women's 2019 Spring-Summer collection, unveiled during the Fashion Week in Milan, Italy.

Designer Giorgio Armani, centre, poses with models at the end of his women's 2019 Spring-Summer collection, unveiled during the Fashion Week in Milan, Italy.

Model Gigi Hadid wears a creation as part of the Cavalli women's 2019 Spring-Summer collection, unveiled during the Fashion Week in Milan, Italy.

Model Carla Bruni Sarkozy, centre, walks with other models as they wear creations as part of the Dolce & Gabbana women's 2019 Spring-Summer collection, unveiled during the Fashion ...

Models Adwoa Aboah, from left, Mariacarla Boscono, fashion magazine editor Edward Enninful, models Karen Elson, Amber Valletta and singer Liam Payne pose for photographers upon arr...

Singer Zara Larsson poses for photographers upon arrival at the amfAR charity dinner during fashion week in Milan, Italy.

Actress Jasmine Sanders poses for photographers upon arrival at the amfAR charity dinner during fashion week in Milan, Italy.

Model Winnie Harlow poses for photographers upon arrival at the amfAR charity dinner during fashion week in Milan, Italy.

Model Isabeli Fontana poses for photographers upon arrival at the amfAR charity dinner during fashion week in Milan, Italy.

Designer Philipp Plein comes on the catwalk at the end of his women's 2019 Spring-Summer collection, unveiled during the Fashion Week in Milan, Italy.

Models wear creations as part of the Marco De Vincenzo women's 2019 Spring-Summer collection, unveiled during the Fashion Week in Milan, Italy.

Models wear creations as part of Versace's women's 2019 Spring-Summer collection, unveiled during the Fashion Week in Milan, Italy.

A model wears a creation as part of Versace's women's 2019 Spring-Summer collection, unveiled during the Fashion Week in Milan, Italy.

A model wears a creation as part of the Annakiki women's 2019 Spring-Summer collection, unveiled during the Fashion Week in Milan, Italy.

A model wears a creation as part of the Annakiki women's 2019 Spring-Summer collection, unveiled during the Fashion Week in Milan, Italy.

A model wears a creation as part of the Annakiki women's 2019 Spring-Summer collection, unveiled during the Fashion Week in Milan, Italy.