The Duchess of Cambridge looked beautiful on Wednesday as she joined husband Prince William for an event at Kew Gardens ahead of the Earthshot Prize ceremony on Sunday.
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Many fans quickly noticed that there was something familiar about her gorgeous green outfit.
WATCH: Prince William and Kate join Steve Backshall and Helen Glover at Kew Gardens
Kate's flattering green coat actually dates back to 2014, when she first wore it during a royal tour of Australia and New Zealand. But doesn't it look different today?
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Then and now! Kate originally wore her Erdem number as a classic coat dress
We can certainly see how the Duchess' style has changed since then, as instead of wearing the coat zipped up as a more traditional-looking dress, she has opted to wear it open with one of her favourite pairs of tailored trousers. It's most definitely a versatile piece!
MORE: Kate Middleton loves these ultra-flattering trousers for staying chic and comfortable
Kate teamed her Erdem jacket with a matching jumper from Zara, which is sadly now sold out - but we've spotted a few similar options which are still available to buy.
Cashmere jumper, £95 / $140, Boden
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Curve Green knit, £40, Karen Millen
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The thoughtful royal often sends messages with her outfit – and she made sure to champion the cause of conservation with her earrings, too. For her environmental engagement, Kate opted to wear her 'Pangolin Haka' earrings which carry a sweet meaning behind them.
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Kate wore her Pangolin earrings
The pretty accessories come from one of Kate's favourite jewellery designers, Patrick Mavros, with a percentage of all sales from the collection donated to Pangolin Conservation. Kate often chooses to wear them for environmental or wildlife-focused events.
Pangolin Haka Earrings in Silver, £180, Patrick Mavros
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During Wednesday's event, the royal couple met the Mayor of London, Sadiq Khan, naturalist and presenter Steve Backshall MBE and Olympian Helen Glover as they took part in a series of activities alongside students from The Heathlands School, Hounslow, as part of the Generation Earthshot initiative.
William and Kate will attend the star-studded Earthshot Prize Awards at London's Alexandra Palace on Sunday 17 October, where the first five winners will be announced - we're hoping to see her in another gorgeous gown!
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