He is accompanied by one of the world's most celebrated style icons the Duchess of Cambridge, so it came as no surprise when Prince William looked to his wife for style tips.
Fans of the royal couple may have noticed that the 34-year-old royal has adopted a slightly different style of formal suit jackets.
Today the Duke of Cambridge swapped a shirt and tie for a fresher looking suit as he stepped out for World Mental Health Day.
Prince William is said to have enlisted the help of the Duchess of Cambridge's stylist to freshen up his wardrobe.
William sporting his new look today with brother Prince Harry.
Before his style overhaul, the royal's casual was slightly amiss with clashing colors and clumpy shoes. Pictured: The Duke and Duchess of Cambridge in California 2011.
The prince wore trendy desert boots during the royal couple's recent tour of Canada.
When it comes to coats, double breasted have been dropped (left in 2012) in favor of trendier wool blazers and layers seen on the Canada tour (right)
In terms of casual jackets, crumpled and ill-fitting jackets have been ditched. Pictured: The couple at the 2012 Olympic Games.
During their Canada tour the stylist dressed William in well-fitted casual jackets.
Prince Harry was accompanied by his brother and sister-in-law for a trip on The London Eye.
Fun-loving Prince Harry grinned as he arrived at County Hall with his sister-in-law Kate this morning.