William and Kate at Wimbledon

Prince William and wife Catherine, the Duchess of Cambridge, take their seats in the front row of the Royal Box in Centre Court to watch Britain's Andy Murray play Frenchman Richard Gasquet on Day 7 of the 2011 Wimbledon Tennis Championships at the All England Tennis and Croquet Club, in London, June 27, 2011.

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Prince William and wife Catherine, the Duchess of Cambridge, take their seats in the front row of the Royal Box in Centre Court to watch Britain's Andy Murray play Frenchman Richard Gasquet on Day 7 of the 2011 Wimbledon Tennis Championships at the All England Tennis and Croquet Club, in London, June 27, 2011.

Pictures: Prince William and Kate Middleton
Pictures: William and Kate on Armed Forces Day
Special section: Britain's royal wedding

Prince William and wife Catherine, the Duchess of Cambridge, attend the fourth-round match between Britain's Andy Murray and Frenchman Richard Gasquet on Day 7 of the 2011 Wimbledon Tennis Championships at the All England Tennis and Croquet Club, in London, June 27, 2011.

Pictures: Prince William and Kate Middleton
Pictures: William and Kate on Armed Forces Day
Special section: Britain's royal wedding

Catherine, Duchess of Cambridge, attends the fourth-round match between Britain's Andy Murray and Frenchman Richard Gasquet on Day 7 of the 2011 Wimbledon Tennis Championships at the All England Tennis and Croquet Club, in London, June 27, 2011.

Pictures: Prince William and Kate Middleton
Pictures: William and Kate on Armed Forces Day
Special section: Britain's royal wedding

Catherine, the Duchess of Cambridge, attends the fourth-round match between Britain's Andy Murray and Frenchman Richard Gasquet on Day 7 of the 2011 Wimbledon Tennis Championships at the All England Tennis and Croquet Club, in London, June 27, 2011.

Pictures: Prince William and Kate Middleton
Pictures: William and Kate on Armed Forces Day
Special section: Britain's royal wedding

Prince William and wife Catherine, the Duchess of Cambridge, attend the fourth-round match between Britain's Andy Murray and Frenchman Richard Gasquet on Day 7 of the 2011 Wimbledon Tennis Championships at the All England Tennis and Croquet Club, in London, June 27, 2011.

Pictures: Prince William and Kate Middleton
Pictures: William and Kate on Armed Forces Day
Special section: Britain's royal wedding

Prince William and wife Catherine, the Duchess of Cambridge, attend the fourth-round match between Britain's Andy Murray and Frenchman Richard Gasquet on Day 7 of the 2011 Wimbledon Tennis Championships at the All England Tennis and Croquet Club, in London, June 27, 2011. At left is Gill Brook, wife of All England Club chairman Philip Brook.

Pictures: Prince William and Kate Middleton
Pictures: William and Kate on Armed Forces Day
Special section: Britain's royal wedding

Prince William and wife Catherine, the Duchess of Cambridge, attend the fourth-round match between Britain's Andy Murray and Frenchman Richard Gasquet on Day 7 of the 2011 Wimbledon Tennis Championships at the All England Tennis and Croquet Club, in London, June 27, 2011.

Pictures: Prince William and Kate Middleton
Pictures: William and Kate on Armed Forces Day
Special section: Britain's royal wedding

Prince William and wife Catherine, the Duchess of Cambridge, attend the fourth-round match between Britain's Andy Murray and Frenchman Richard Gasquet on Day 7 of the 2011 Wimbledon Tennis Championships at the All England Tennis and Croquet Club, in London, June 27, 2011.

Pictures: Prince William and Kate Middleton
Pictures: William and Kate on Armed Forces Day
Special section: Britain's royal wedding

Prince William attends the fourth round-match between Britain's Andy Murray and Frenchman Richard Gasquet on Day 7 of the 2011 Wimbledon Tennis Championships at the All England Tennis and Croquet Club, in London, June 27, 2011.

Pictures: Prince William and Kate Middleton
Pictures: William and Kate on Armed Forces Day
Special section: Britain's royal wedding

Prince William and wife Catherine, the Duchess of Cambridge, attend the fourth-round match between Britain's Andy Murray and Frenchman Richard Gasquet on Day 7 of the 2011 Wimbledon Tennis Championships at the All England Tennis and Croquet Club, in London, June 27, 2011.

Pictures: Prince William and Kate Middleton
Pictures: William and Kate on Armed Forces Day
Special section: Britain's royal wedding

Britain's Andy Murray bows to Prince William and wife Catherine, the Duchess of Cambridge, after winning his fourth-round match against Frenchman Richard Gasquet on Day 7 of the 2011 Wimbledon Tennis Championships at the All England Tennis and Croquet Club, in London, June 27, 2011.

Pictures: Prince William and Kate Middleton
Pictures: William and Kate on Armed Forces Day
Special section: Britain's royal wedding

Prince William and wife Catherine, the Duchess of Cambridge, particiapte in a wave during the fourth-round match between Rafael Nadal of Spain and Argentina's' Juan Martin Del Potro on Day 7 of the 2011 Wimbledon Tennis Championships at the All England Tennis and Croquet Club, in London, June 27, 2011.

Pictures: Prince William and Kate Middleton
Pictures: William and Kate on Armed Forces Day
Special section: Britain's royal wedding

Prince William and wife Catherine, the Duchess of Cambridge, participate in a wave during the fourth-round match between Rafael Nadal of Spain and Argentina's' Juan Martin Del Potro on Day 7 of the 2011 Wimbledon Tennis Championships at the All England Tennis and Croquet Club, in London, June 27, 2011.

Pictures: Prince William and Kate Middleton
Pictures: William and Kate on Armed Forces Day
Special section: Britain's royal wedding