The Duchess of Cambridge went back into her style archives for the Earthshot Prize Awards.
Kate chose to re-wear one of her most famous looks for the ceremony, where she presented one of the inaugural environmental conservation prizes. She first wore the Alexander McQueen lilac gown 10 years ago, to a BAFTA black-tie event in the summer of 2011.
For 2021, the royal updated the elegant gown with a gold belt with lilac embellishments. She wore her hair in loose waves over one shoulder and kept her accessories simple with a pair of Kiki McDonough morganite earrings.
The Duke of Cambridge walked the awards' green carpet in a dark green velvet jacket, paired with a black turtleneck jumper and black trousers.
Prince William announced the inaugural Earthshot Prize last year, calling the conservation effort the "most prestigious global environmental prize in history". The global prize will spend the next 10 years annually awarding £1 million prizes to five winners - scientists, activists, and organisations around the world - who are working on solutions to the planet's biggest environmental problems.
This year's prizes were presented by the duchess alongside Emma Thompson, Emma Watson, David Oyelowo, and Mo Salah. Ed Sheeran, Shawn Mendes, and KSI and Yemi Alade performed during the awards, while sustainable staging for a performance by Coldplay was powered by the energy from 60 cyclists.
Prince William has worked on several projects supporting the initiative, including a five-part documentary series and the introduction to the book Earthshot: How to Heal Our Planet. In his foreword, he wrote that environmental change is still possible if people stay optimistic.
"I have seen people all over the world face what seem like insurmountable challenges yet come together with collective ambition, and a can-do-spirit, to find solutions to them," he wrote. "I strongly believe that change is possible, when you put your mind to it. I started thinking about what to do to change the equation to something else: urgency + optimism = action."
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