Kate Middleton's style evolution in 74 photos: from university student to Duchess of Cambridge
The mother of three has had to adapt to the complex codes of royal dressing since marrying Prince William a decade ago
Kate Middleton, in graduation robes, leaves Younger Hall after her graduation ceremony on June 23, 2005 in St Andrews, Scotland. Getty Images
Kate Middleton, in a duck-egg knit and heart pendant, attends the Gatcombe Park Festival on August 6, 2005 near Tetbury, England. Getty Images
Kate Middleton, in a red blazer and black hat, watches Prince William take part in The Sovereign's Parade at The Royal Military Academy Sandhurst on December 15, 2006 in Sandhurst, England. Getty Images