Prince William and his wife Kate Middleton

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Prince William and his wife Kate Middleton

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Royal Wedding

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Britain's Prince William (L) and his wife

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Royal Wedding

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The Duke And Duchess Of Cambridge Visit Centrepoint

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Willam and Kate

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Prince William and his bride

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Royal Wedding - Carriage Procession To Buckingham Palace And Departures

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The ceremony

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Prince William & Kate Middleton

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Prince William & Kate Middleton

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Prince William and Kate

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Royal Wedding - Carriage Procession To Buckingham Palace And Departures

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NOTE TO EDITORS: This handout photo may

RESTRICTED TO EDITORIAL USE/MANDATORY CREDIT - AFP PHOTO/HUGO BURNAND/CLARENCE HOUSE - /NO MARKETING NO ADVERTISING CAMPAIGNS/DISTRIBUTED AS A SERVICE TO CLIENTSA handout photo issued by Clarence House of Britain's Prince William posing with his wife Kate, Duchess of Cambridge and their pageboys and bridesmaids (clockwise from bottom right) Margarita Armstrong-Jones, Eliza Lopes, Grace van Cutsem, Louise Windsor, Tom Pettifer, William Lowther-Pinkerton in the throne room at Buckingham Palace on April 29, 2011 in London.AFP PHOTO/HUGO BURNAND/CLARENCE HOUSE (Photo credit should read Hugo Burnand/AFP/Getty Images)

Royal Wedding - Carriage Procession To Buckingham Palace And Departures

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Britain's Prince William kisses his wife

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Britain's Prince William and his wife Kate

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Prince William and Kate Middleton's ceremony

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Duke and Duchess of Cambridge in Canada - Day Three

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Royal Wedding - Carriage Procession To Buckingham Palace And Departures

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Britain's Prince William and his wife Kate

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The Duke And Duchess Of Cambridge Canadian Tour - Day 5

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The Duke And Duchess Of Cambridge Canadian Tour - Day 9

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The Duke And Duchess Of Cambridge Canadian Tour - Day 9

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The Duke and Duchess of Cambridge Attend BAFTA Inner City Arts Event

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The Duke and Duchess of Cambridge Attend BAFTA Brits To Watch Event

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Britain's Prince William and his wife Catherine

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The Duke and Duchess of Cambridge Attend A Polo Match

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The Duke And Duchess Of Cambridge Canadian And North American Tour - Quebec

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The Duke And Duchess Of Cambridge Attend A Polo Match

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Prince William and his wife Catherine

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The Duke And Duchess Of Cambridge Canadian Tour - Day 5

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The Duke And Duchess Of Cambridge North American Royal Visit - Day 3

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The Duke And Duchess Of Cambridge Canadian Tour - Day 5

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The Duke And Duchess Of Cambridge Canadian Tour - Day 6

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The Duke And Duchess Of Cambridge Canadian Tour - Day 6

(Photo by Chris Jackson/Getty Images)

The Duke And Duchess Of Cambridge Canadian Tour - Day 6

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Prince William and Catherine

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The Duke And Duchess Of Cambridge North American Royal Visit - Day 8

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The Duke And Duchess Of Cambridge Canadian Tour - Day 6

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The Duke And Duchess Of Cambridge Canadian Tour - Day 5

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Catherine & Prince William land at LAX

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Prince William & Kate at LAX

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Kate kisses her husband Prince William

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The Duke And Duchess Of Cambridge Attend BAFTA Inner City Arts Event

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The Royal Family

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The Duke And Duchess Of Cambridge

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Kate & William

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Britain's Prince William and his wife Kate

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Newly Weds

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Prince William and Catherine

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Prince William and his wife Kate Middleton

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Kate and William playing street hockey

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Britain's Prince William (R) and his wife

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Trooping The Colour

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The Duke And Duchess Of Cambridge Arrive At LAX International Airport

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The Duke and Duchess of Cambridge Attend A UKTI/VC/Variety Summit

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The Duke And Duchess Of Cambridge Canadian Tour - Day 9

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The Duke And Duchess Of Cambridge Attend BAFTA Inner City Arts Event

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Britain's Prince William and his wife Catherine

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The Duke And Duchess Of Cambridge Attend The Mission Serve "Hiring Our Heroes Los Angeles" Job Fair

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Catherine smiles at her Prince

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Prince William (R) and his wife

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The Duke and Duchess of Cambridge Visit The Royal Marsden Hospital

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The Duke and Duchess of Cambridge Consul General Reception

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Newlyweds

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Prince William and his new wife Catherine

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Child Bereavement Charity Fundraising Gala

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Britain's Prince William and his wife Catherine

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The Duke And Duchess Of Cambridge Canadian Tour - Day 1

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The Duke And Duchess of Cambridge - Official Tour Portrait

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Prince William & Kate MIddleton

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The Duke and Duchess of Cambridge

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Meeting with the Obama's

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