Her beautiful midi dress featured a figure-hugging silhouette, a chic turtleneck that made it the perfect pick for a winter event, and sleeves that cut halfway up the forearm, just after the elbow. © Getty Images An expert take on Duchess Sophie's look We spoke to Clare Pennington, HELLO! Fashion's Editor, about the Duchess' look and what was so unique about it. She told us: "It can be easy to lean into dark colours when opting for satin, such as black, navy or deep chocolate brown. But Sophie's emerald iteration is a masterclass in how to inject colour into an elegant winter wardrobe."