Kate Middleton has become a fashion icon since she first started dating Prince William, and her influence has only grown now that she is in line to be the future Queen of England.
Her wardrobe is one of the most envied in the world with legendary pieces such as her unforgettable almost €300,000 Alexander McQueen wedding dress and her beloved LK Bennett nude pumps.
The Duchess of Cambridge's sartorial choices have the power to influence global trends, with anything she wears often selling out in minutes.
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So it makes sense that a lot of thought would go into what Kate actually wears in public.
The 40-year-old mother-of-three looked effortlessly summery in an Alessandra Rich tea dress in her signature polka dot print as she attended the men's quarter final at Wimbledon.
She paired the mid-length cornflower blue frock with white slingback stiletto heels to create a '40s-inspired look.
And according to an expert, Kate decides what to wear based on the occasion.
Not one to make herself the star of the show, body language expert Darren Stanton says that when she's doing charity work, she chooses less showy colours to keep the focus off herself.
However, if it's a personal event - like her Wimbledon appearance alongside Prince William - then she'll pick one of her 'power colours' and graciously accept the attention it brings.
Speaking to The Mirror for Slingo , Darren explained: "Attending Wimbledon, Prince William was seen sporting his trademark suit, while Kate opted for a striking blue dress with polka dots - ringing true to her power colours, red and blue, that she tends to adopt for a certain type of events.
"When she is happy for the attention to be focused on herself and William, she'll opt for one of her power colours. Otherwise, Kate makes sure to keep her outfit choices neutral in order to divert attention to where it is more appropriately suited."
And it's that awareness of the importance of putting others first and letting them be the star of the show that Darren says will make her a great monarch.
He added: "As always, an outing on such a public scale sees Kate and William setting the scene and a precedent for how things are to be for when William becomes King.
"They are two individuals who aren't afraid to be themselves while still upholding their Royal duties graciously and as best they possibly can."
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