Kate Middleton has worn an iconic emerald and diamond choker at the 2022 Earthshot Prize awards which used to belong to Princess Diana.
She showed off her green credentials at Prince William 's award ceremony that honoured environmental pioneers with a rented gown.
The Princess of Wales dazzled on the green carpet with her dress of the same hue as five innovative ideas that William hopes will help repair the planet were celebrated and awarded £1 million in prize money to scale up their projects.