Duchess of Cambridge Kate Middleton stole the show in the royal box at Wimbledon - in a recycled Alexander McQueen dress.
William and Kate took their seats in Centre Court's Royal Box for the men's quarter-finals which see Swiss veteran Roger Federer take on Russian Mikhail Youzhny followed by Murray against David Ferrer, of Spain.
Prince William and his wife Kate, Duchess of Cambridge arrive ahead of the quarterfinals at Wimbledon
Kate wore a knitted sailor dress by Sarah Burton for Alexander McQueen, which she previously wore on the couple's tour of Canada this time last year.
Burton also designed Kate's wedding dress.
William and Kate took their seats in Centre Court's Royal Box for the men's quarter-finals
William wore a charcoal suit with a pink shirt.
The couple sat on the front row of the Royal Box - William next to Philip Brook, chairman of the All England Club, and Kate next to his wife, Gill.
Catherine, Duchess of Cambridge and Prince William, Duke of Cambridge make thier way to their seats in the Royal Box on Centre Court
The royal couple watched intently as Federer took on Youzhny, occasionally whispering to each other.
Also on the front row were tennis couple Andre Agassi and Steffi Graf.
Other guests in the Royal Box today were television sports presenter Des Lynam with his partner, Rosemary Diamond, along with veteran broadcaster Sir Michael Parkinson with his wife, Mary.
England manager Roy Hodgson, recently returned from the Euro 2012 tournament, and wife Sheila were also in the box.
On Tuesday Kate's parents, Carole and Michael Middleton, were invited into the box. That was in contrast to Kate's siblings, Pippa and James Middleton, who were treated to the prime seats when they put in an appearance at SW19 the following day.
The Prince of Wales and Duchess of Cornwall visited last week, meeting Andy Roddick and Tim Henman. It was Charles's first visit to the championship since 1970.