Britain's Prince William and Kate Middleton pose in one of two official engagement portraits, taken by photographer Mario Testino in the Council Chamber in the State Apartment at St James's Palace in London on November 25, 2010. The prince and his fiancee, Catherine Middleton, are to get married next year, the Buckingham Palace said last month. REUTERS/Copyright 2010 Mario Testino MANDATORY CREDIT (BRITAIN - Tags: ROYALS SOCIETY ENTERTAINMENT) NO COMMERCIAL OR BOOK SALES. NO SALES. NO ARCHIVES. FOR EDITORIAL USE ONLY. NOT FOR SALE FOR MARKETING OR ADVERTISING CAMPAIGNS. THIS IMAGE HAS BEEN SUPPLIED BY A THIRD PARTY. IT IS DISTRIBUTED, EXACTLY AS RECEIVED BY REUTERS, AS A SERVICE TO CLIENTS. NO THIRD PARTY SALES. NOT FOR USE BY REUTERS THIRD PARTY DISTRIBUTORS
Britain's Prince William and Kate Middleton pose in one of two official engagement portraits, taken by photographer Mario Testino in the Council Chamber in the State Apartment at St James's Palace in London on November 25, 2010. The prince and his fiancee, Catherine Middleton, are to get married next year, the Buckingham Palace said last month. REUTERS/Copyright 2010 Mario Testino MANDATORY CREDIT (BRITAIN - Tags: ROYALS SOCIETY ENTERTAINMENT) NO COMMERCIAL OR BOOK SALES. NO SALES. NO ARCHIVES. FOR EDITORIAL USE ONLY. NOT FOR SALE FOR MARKETING OR ADVERTISING CAMPAIGNS. THIS IMAGE HAS BEEN SUPPLIED BY A THIRD PARTY. IT IS DISTRIBUTED, EXACTLY AS RECEIVED BY REUTERS, AS A SERVICE TO CLIENTS. NO THIRD PARTY SALES. NOT FOR USE BY REUTERS THIRD PARTY DISTRIBUTORS © REUTERS | REUTERS
epa02621639 Britain's Prince William and his bride tobe Kate Middleton (R) arrives at Belfast's City Hall, Northern Ireland, 08 March 2011. Prince William and Kate Middleton are due to get married in London, Britain on 29 April 2011. EPA/PAUL MCERLANE +++(c) dpa - Bildfunk+++
epa02621639 Britain's Prince William and his bride tobe Kate Middleton (R) arrives at Belfast's City Hall, Northern Ireland, 08 March 2011. Prince William and Kate Middleton are due to get married in London, Britain on 29 April 2011. EPA/PAUL MCERLANE +++(c) dpa - Bildfunk+++ © dpa | dpa
Kate Middleton stands with Prince William on their graduation day at St Andrews university in Scotland, in this June 23, 2005 photograph, received in London on March 7, 2011. A series of family pictures of Prince William's bride-to-be Kate Middleton, including a previously unseen one of the couple together, were released on Monday.The five pictures taken from the Middleton family were published on the official website for next month's wedding along with a detailed biography of the prince's fiancee. REUTERS/The Middleton Family, 2011/Handout (BRITAIN - Tags: ROYALS ENTERTAINMENT SOCIETY) THIS IMAGE HAS BEEN SUPPLIED BY A THIRD PARTY. IT IS DISTRIBUTED, EXACTLY AS RECEIVED BY REUTERS, AS A SERVICE TO CLIENTS. NO COMMERCIAL OR BOOK SALES. NO SALES. NO ARCHIVES. FOR EDITORIAL USE ONLY. NOT FOR SALE FOR MARKETING OR ADVERTISING CAMPAIGNS. NO THIRD PARTY SALES. NOT FOR USE BY REUTERS THIRD PARTY DISTRIBUTORS
Kate Middleton stands with Prince William on their graduation day at St Andrews university in Scotland, in this June 23, 2005 photograph, received in London on March 7, 2011. A series of family pictures of Prince William's bride-to-be Kate Middleton, including a previously unseen one of the couple together, were released on Monday.The five pictures taken from the Middleton family were published on the official website for next month's wedding along with a detailed biography of the prince's fiancee. REUTERS/The Middleton Family, 2011/Handout (BRITAIN - Tags: ROYALS ENTERTAINMENT SOCIETY) THIS IMAGE HAS BEEN SUPPLIED BY A THIRD PARTY. IT IS DISTRIBUTED, EXACTLY AS RECEIVED BY REUTERS, AS A SERVICE TO CLIENTS. NO COMMERCIAL OR BOOK SALES. NO SALES. NO ARCHIVES. FOR EDITORIAL USE ONLY. NOT FOR SALE FOR MARKETING OR ADVERTISING CAMPAIGNS. NO THIRD PARTY SALES. NOT FOR USE BY REUTERS THIRD PARTY DISTRIBUTORS © Reuters | Reuters
Britain's Prince William and his fiancee Kate Middleton visit St. Andrews University in Fife, Scotland February 25, 2011. The couple made their second official visit together since announcing their engagement in November to St. Andrews University to launch its 600th anniversary celebrations. REUTERS/Toby Melville (BRITAIN - Tags: EDUCATION ROYALS)
Britain's Prince William and his fiancee Kate Middleton visit St. Andrews University in Fife, Scotland February 25, 2011. The couple made their second official visit together since announcing their engagement in November to St. Andrews University to launch its 600th anniversary celebrations. REUTERS/Toby Melville (BRITAIN - Tags: EDUCATION ROYALS) © REUTERS | REUTERS
Britain's Prince William (R) watches as his fiancee Kate Middleton pours champagne over the 'Hereford Endeavour', during a Naming Ceremony and Service of Dedication for the Royal National Lifeboat Instution's (RNLI) new Atlantic 85 Lifeboat, at Trearddur Bay Lifeboat Station, in Trearddur Bay, Anglesey in north Wales February 24, 2011. REUTERS/Phil Noble (BRITAIN - Tags: SOCIETY ROYALS ENTERTAINMENT)
Britain's Prince William (R) watches as his fiancee Kate Middleton pours champagne over the 'Hereford Endeavour', during a Naming Ceremony and Service of Dedication for the Royal National Lifeboat Instution's (RNLI) new Atlantic 85 Lifeboat, at Trearddur Bay Lifeboat Station, in Trearddur Bay, Anglesey in north Wales February 24, 2011. REUTERS/Phil Noble (BRITAIN - Tags: SOCIETY ROYALS ENTERTAINMENT) © REUTERS | REUTERS
BERKSHIRE, UNITED KINGDOM - NOVEMBER 16: Parents of Kate Middleton, Michael and Carole Middleton, make a statement following the engagement of their daughter to Prince William, outside their home near the village of Bucklebury on November 16, 2010 in Berkshire, United Kingdom. Prince William, who is second in line to the throne following his father Prince Charles, has been in a relationship with Ms Middleton for the past 8 years. They were engaged in October whilst on a private holiday in Kenya and are due to marry in London in the spring or summer of 2011. (Photo by Stefan Rousseau - WPA Pool/Getty Images)
BERKSHIRE, UNITED KINGDOM - NOVEMBER 16: Parents of Kate Middleton, Michael and Carole Middleton, make a statement following the engagement of their daughter to Prince William, outside their home near the village of Bucklebury on November 16, 2010 in Berkshire, United Kingdom. Prince William, who is second in line to the throne following his father Prince Charles, has been in a relationship with Ms Middleton for the past 8 years. They were engaged in October whilst on a private holiday in Kenya and are due to marry in London in the spring or summer of 2011. (Photo by Stefan Rousseau - WPA Pool/Getty Images) © Getty Images/Getty | Getty Images
LONDON, ENGLAND - NOVEMBER 16: Prince William and Kate Middleton pose for photographs in the State Apartments of St James Palace on November 16, 2010 in London, England. After much speculation, Clarence House today announced the engagement of Prince William to Kate Middleton. The couple will get married in either the Spring or Summer of next year and continue to live in North Wales while Prince William works as an air sea rescue pilot for the RAF. The couple became engaged during a recent holiday in Kenya having been together for eight years. (Photo by Chris Jackson/Getty Images)
LONDON, ENGLAND - NOVEMBER 16: Prince William and Kate Middleton pose for photographs in the State Apartments of St James Palace on November 16, 2010 in London, England. After much speculation, Clarence House today announced the engagement of Prince William to Kate Middleton. The couple will get married in either the Spring or Summer of next year and continue to live in North Wales while Prince William works as an air sea rescue pilot for the RAF. The couple became engaged during a recent holiday in Kenya having been together for eight years. (Photo by Chris Jackson/Getty Images) © Getty Images/Getty | Getty Images
A combo shows a picture (R) of HRH Charles Windsor, Prince of Wales, and his then fiancee Lady Diana Spencer on the day their engagement was announced in the gardens of Buckingham Palace, in London, Britain, 24 February 1981 and a picture (L) of Britain's Prince William and Kate Middleton during a photocall to mark their engagement in the State Rooms of St James's Palace in London, Britain, 16 November 2010. Prince William used the engagement ring of his late mother, Diana, Princess of Wales, when he proposed to Kate Middleton on a safari in Kenya, last October. EPA/STR ***UK OUT*** +++(c) dpa - Bildfunk+++
A combo shows a picture (R) of HRH Charles Windsor, Prince of Wales, and his then fiancee Lady Diana Spencer on the day their engagement was announced in the gardens of Buckingham Palace, in London, Britain, 24 February 1981 and a picture (L) of Britain's Prince William and Kate Middleton during a photocall to mark their engagement in the State Rooms of St James's Palace in London, Britain, 16 November 2010. Prince William used the engagement ring of his late mother, Diana, Princess of Wales, when he proposed to Kate Middleton on a safari in Kenya, last October. EPA/STR ***UK OUT*** +++(c) dpa - Bildfunk+++ © dpa/DPA | dpa
REFILE - A pair of photographs show Kate Middleton (L), fiance of Britain's Prince William posing in London November 16, 2010 and William's mother Diana, Princess of Wales, wearing the same engagment ring in London in an August 28, 1996 file photo. Britain's Prince William is to marry his long-term girlfriend Kate Middleton next year, after an on-off courtship lasting nearly a decade, bringing months of speculation about his intentions to an end. REUTERS/Paul Hackett/Dan Chung (BRITAIN - Tags: ENTERTAINMENT SOCIETY ROYALS PROFILE)
REFILE - A pair of photographs show Kate Middleton (L), fiance of Britain's Prince William posing in London November 16, 2010 and William's mother Diana, Princess of Wales, wearing the same engagment ring in London in an August 28, 1996 file photo. Britain's Prince William is to marry his long-term girlfriend Kate Middleton next year, after an on-off courtship lasting nearly a decade, bringing months of speculation about his intentions to an end. REUTERS/Paul Hackett/Dan Chung (BRITAIN - Tags: ENTERTAINMENT SOCIETY ROYALS PROFILE) © REUTERS | REUTERS