The Royal Wedding: The Preparations

A member of the household cavalry rides down the Mall adorned in Union flags, ahead of the Royal wedding in London April 26, 2011. REUTERS/Andrew Winning

Members of the Household Cavalry take part in a dress rehearsal for the Major General's review, in Hyde Park in London April 14, 2011. The event took place in front of the Barracks, and involved displays of ceremonial manoeuvres, including those to be used for the Royal Wedding. REUTERS/Sergeant Dan Harmer RLC/MoD/Crown Copyright/handout

Guardsman Martin Hughes of the Coldstream Guards tries his tunic in the tailoring room of Wellington Barracks in London April 20, 2011. The Guards will perform ceremonial duties at the wedding of Britain's Prince William and Kate Middleton on April 29. REUTERS/Toby Melville

Guardsman Martin Hughes of the Coldstream Guards (L) puts on his tunic, helped by Lance Sergeant Martin Mitchell in the tailoring room of Wellington Barracks in London April 20, 2011. The Guards will perform ceremonial duties at the wedding of Britain's Prince William and Kate Middleton on April 29. REUTERS/Toby Melville

Irish Guardsman Bortnill St'Ange is fitted with his ceremonial uniform by Master Tailor Lance Sergeant Matthew Else at their barracks in Windsor, southern England April 21, 2011. The Guards will perform ceremonial duties at the wedding of Britain's Prince William and Kate Middleton on April 29. REUTERS/Eddie Keogh

A Maple tree is transported into Westminster Abbey ahead of the Royal wedding in London April 26, 2011. REUTERS/Eddie Keogh

Workers put up an English field Maple tree in preparation for the Royal wedding in Westminster Abbey in London April 26, 2011. REUTERS/Sang Tan/Pool

Workers carry an English field Maple tree in preparation for the Royal wedding into Westminster Abbey in London April 26, 2011. REUTERS/Sang Tan/Pool

Workers carry an English field Maple tree in preparation for the Royal wedding into Westminster Abbey in London April 26, 2011. REUTERS/Sang Tan/Pool

Metropolitan police officers carry out security checks on drains and lamp posts along the Mall ahead of the Royal wedding in London April 14, 2011. Picture taken April 14, 2011. REUTERS/Anthony Devlin/POOL

Metropolitan police officers carry out security checks on drains and lamp posts along the Mall ahead of the Royal wedding in London April 14, 2011. Picture taken April 14, 2011. REUTERS/Anthony Devlin/POOL

Union flags hung along Regent Street in celebration of the forthcoming Royal wedding between Prince William and Kate Middleton are seen in London April 19, 2011. REUTERS/Toby Melville

Workers climb to clean one of the statues on the Queen Victoria Monument outside Buckingham Palace, ahead of the Royal wedding of Prince William and Kate Middleton in London April 26, 2011. Picture taken April 26, 2011. REUTERS/Paul Hackett

A worker unloads barriers to control the crowd expected for the wedding of Britain's Prince William and fiancee Kate Middleton at Westminster Abbey in London April 27, 2011. REUTERS/Luke MacGregor

Soldiers on horseback escort a carriage past Westminster Abbey during a Royal wedding rehearsal in London April 27, 2011. Members of Britain's armed forces staged a rehearsal at dawn on Wednesday to prepare for their role in escorting Prince William and his soon-to-be bride Kate Middleton on their wedding day of April 29. REUTERS/Phil Noble

Organist and Master of the Choristers James O'Donnell conduct the Choir of Westminster Abbey, who will sing during the wedding of Britain's Prince William and his fiancee Kate Middleton, during a rehearsal in London April 15, 2011. REUTERS/Dominic Lipinski/POOL

Soldiers on horseback ride past the entrance to Westminster Abbey during a Royal wedding rehearsal in London, April 27, 2011. Members of Britain's armed forces staged a rehearsal at dawn on Wednesday to prepare for their role in escorting Prince William and his soon-to-be bride Kate Middleton on their wedding day of April 29. REUTERS/Phil Noble

Sailors from Britain's Royal Navy march from Westminster Abbey during a Royal wedding rehearsal in London, April 27, 2011. Members of Britain's armed forces staged a rehearsal at dawn on Wednesday to prepare for their role in escorting Prince William and his soon-to-be bride Kate Middleton on their wedding day of April 29. REUTERS/Phil Noble

A police officer stands outside the entrance to Westminster Abbey during a Royal wedding rehearsal in London, April 27, 2011. Members of Britain's armed forces staged a rehearsal at dawn on Wednesday to prepare for their role in escorting Prince William and his soon-to-be bride Kate Middleton on their wedding day of April 29. REUTERS/Phil Noble

A soldier yawns during a Royal wedding rehearsal at dawn in London, April 27, 2011. Members of Britain's armed forces staged a rehearsal at dawn on Wednesday to prepare for their role in escorting Prince William and his soon-to-be bride Kate Middleton on their wedding day of April 29. REUTERS/Darren Staples

Soldiers march outside Buckingham Palace during a Royal wedding rehearsal in London, April 27, 2011. Members of Britain's armed forces staged a rehearsal at dawn on Wednesday to prepare for their role in escorting Prince William and his soon-to-be bride Kate Middleton on their wedding day of April 29. REUTERS/Darren Staples

A horse rears up outside the gates of Buckingham Palace during a Royal wedding rehearsal in London, April 27, 2011. Members of Britain's armed forces staged a rehearsal at dawn on Wednesday to prepare for their role in escorting Prince William and his soon-to-be bride Kate Middleton on their wedding day of April 29. REUTERS/Darren Staples

An officer from the Grenadier Guards (L) adjusts a soldier's cap during a Royal wedding rehearsal in London, April 27, 2011. Members of Britain's armed forces staged a rehearsal at dawn on Wednesday to prepare for their role in escorting Prince William and his soon-to-be bride Kate Middleton on their wedding day of April 29. REUTERS/Darren Staples

A soldier laughs during a Royal wedding rehearsal in London, April 27, 2011. Members of Britain's armed forces staged a rehearsal at dawn on Wednesday to prepare for their role in escorting Prince William and his soon-to-be bride Kate Middleton on their wedding day of April 29. REUTERS/Darren Staples

Soldiers march during a Royal wedding rehearsal in London, April 27, 2011. Members of Britain's armed forces staged a rehearsal at dawn on Wednesday to prepare for their role in escorting Prince William and his soon-to-be bride Kate Middleton on their wedding day of April 29. REUTERS/Darren Staples

Soldiers march during a Royal wedding rehearsal in London, April 27, 2011. Members of Britain's armed forces staged a rehearsal at dawn on Wednesday to prepare for their role in escorting Prince William and his soon-to-be bride Kate Middleton on their wedding day of April 29. REUTERS/Darren Staples

A carriage is pulled past the Queen Victoria Monument near Buckingham Palace during a Royal wedding rehearsal in London, April 27, 2011. Members of Britain's armed forces staged a rehearsal at dawn on Wednesday to prepare for their role in escorting Prince William and his soon-to-be bride Kate Middleton on their wedding day of April 29. REUTERS/Darren Staples

Conductor Christopher Warren-Green leads the London Chamber Orchestra during a rehearsal in at St John's Church in London April 26, 2011. The Orchestra will play during the wedding of Britain's Prince William and fiancee Kate Middleton in Westminster Abbey on Friday. Picture taken April 26, 2011. REUTERS/Luke MacGregor

A member of the British Armed Forces participates in a rehearsal for the Royal wedding in London April 27, 2011. Members of Britain's armed forces staged a rehearsal at dawn on Wednesday to prepare for their role in escorting Prince William and his soon-to-be bride Kate Middleton on their wedding day of April 29. REUTERS/Suzanne Plunkett

A member of the British Armed Forces participates in a rehearsal for the Royal wedding in London April 27, 2011. Members of Britain's armed forces staged a rehearsal at dawn on Wednesday to prepare for their role in escorting Prince William and his soon-to-be bride Kate Middleton on their wedding day of April 29. REUTERS/Suzanne Plunkett

Wendy Davis and Norma Dobney, members of National Association of Flower Arranging Societies, prepare flowers in Westminster Abbey, in London April 27, 2011. Final preparations were being made for the wedding between Britain's Prince William and Kate Middleton at Westminster Abbey on April 29. REUTERS/Sang Tan/Pool

A police dog searches next to flowers in Westminster Abbey, in London April 27, 2011. Final preparations were being made for the wedding between Britain's Prince William and Kate Middleton at Westminster Abbey on April 29. REUTERS/Sang Tan/Pool

A florist delivers flowers to Westminster Abbey, in London April 27, 2011. Final preparations were being made for the wedding between Britain's Prince William and Kate Middleton at Westminster Abbey on April 29. REUTERS/Sang Tan/Pool

A florist delivers flowers to Westminster Abbey, in London April 27, 2011. Final preparations were being made for the wedding between Britain's Prince William and Kate Middleton at Westminster Abbey on April 29. REUTERS/Sang Tan/Pool

Members of the British Armed Forces participate in a rehearsal for the Royal wedding in London April 27, 2011. Members of Britain's armed forces staged a rehearsal at dawn on Wednesday to prepare for their role in escorting Prince William and his soon-to-be bride Kate Middleton on their wedding day of April 29. REUTERS/Suzanne Plunkett

A carriage is escorted towards Buckingham Palace during a rehearsal for the Royal Wedding in London April 27, 2011. Members of Britain's armed forces staged a rehearsal at dawn on Wednesday to prepare for their role in escorting Prince William and his soon-to-be bride Kate Middleton on their wedding day of April 29. REUTERS/Kieran Doherty

Guardsmen wait to march back to their barracks following a dress rehearsal for the Royal Wedding on the Mall in London April 27, 2011. Members of Britain's armed forces staged a rehearsal at dawn on Wednesday to prepare for their role in escorting Prince William and his soon-to-be bride Kate Middleton on their wedding day of April 29. REUTERS/Kieran Doherty

Members of the British Armed Forces participate in a rehearsal for the Royal wedding in London April 27, 2011. Members of Britain's armed forces staged a rehearsal at dawn on Wednesday to prepare for their role in escorting Prince William and his soon-to-be bride Kate Middleton on their wedding day of April 29. REUTERS/Suzanne Plunkett

Members of the Household Cavalry head down The Mall ahead of the Royal wedding in London April 27, 2011. REUTERS/Eddie Keogh

Lieutenant Colonel Christopher Ghika, Commanding Officer of the 1st Battalion Irish Guards (L), inspects his men in the parade ground of their barracks in Windsor, southern England April 21, 2011. The Guards will perform ceremonial duties at the wedding of Britain's Prince William and Kate Middleton on April 29. REUTERS/Eddie Keogh

Mounted soldiers escort a carriage down The Mall during a Royal wedding rehearsal in London, April 27, 2011. Members of Britain's armed forces staged a rehearsal at dawn on Wednesday to prepare for their role in escorting Prince William and his soon-to-be bride Kate Middleton on their wedding day of April 29. REUTERS/Darren Staples