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Open Image ModalThe Duke of Duchess of Cambridge gather on the balcony of Buckingham Palace, London, to watch a flypast of military aircraft following Trooping the Colour. (credit:PA)
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Open Image ModalThe Duchess Of Cambridge meets children and staff during a visit to Naomi House Children's Hospice on April 29, 2013 near Winchester, Hampshire, England (credit:Getty Images)
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Open Image ModalThe Duchess Of Cambridge meets children and staff during a visit to Naomi House Children's Hospice on April 29, 2013 near Winchester, Hampshire, England (credit:Getty Images)
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Open Image ModalThe Duchess Of Cambridge meets children and staff during a visit to Naomi House Children's Hospice on April 29, 2013 near Winchester, Hampshire, England (credit:Getty Images)
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Open Image ModalPrince Harry and the Duke and Duchess of Cambridge, look up as they watch a flypast, from the balcony of Buckingham Palace, in central London, following the annual Trooping the Colour parade. (credit:PA)
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Open Image ModalThe Duchess of Cambridge attending Trooping the Colour at Horse Guards Parade, London. (credit:PA)
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Open Image ModalPrince Harry, the Duchess of Cornwall and the Duchess of Cambridge stand on the balcony of Buckingham Palace following the annual Trooping The Colour Ceremony (credit:PA)
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Open Image ModalThe Duchess of Cambridge travels in an open carriage to the annual Trooping The Colour Ceremony (credit:PA)
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Open Image ModalThe Duchess of Cambridge stands on the balcony of Buckingham Palace following the annual Trooping The Colour Ceremony (credit:PA)
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Open Image ModalCatherine, Duchess of Cambridge meets local school children as she visits Naomi House Children's Hospice, to celebrate Children's Hospice Week 2013 on April 29, 2013 near Winchester, Hampshire, England. Today marks the second wedding anniversary of Prince William, Duke of Cambridge and Catherine, Duchess of Cambridge. They married on April 29, 2011 in Westminster Abbey. (credit:Getty Images)
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Open Image ModalCatherine, Duchess of Cambridge meets local school children as she visits Naomi House Children's Hospice, to celebrate Children's Hospice Week 2013 on April 29, 2013 near Winchester, Hampshire, England. Today marks the second wedding anniversary of Prince William, Duke of Cambridge and Catherine, Duchess of Cambridge. They married on April 29, 2011 in Westminster Abbey. (credit:Getty Images)
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Open Image ModalThe Duchess of Cambridge arriving for a visit the National Portrait Gallery, London, to celebrate the work of The Art Room charity. (credit:PA)
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Open Image ModalQueen Elizabeth II and members of the Royal family leave Westminster Abbey following the service to celebrate the 60th anniversary of the Coronation of the Queen at Westminster Abbey, London. (credit:PA)
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Open Image ModalThe Duchess of Cambridge arriving at Westminster Abbey, in central London, ahead of a service of celebration to mark the 60th anniversary of Queen Elizabeth II's coronation. (credit:PA)
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Open Image ModalThe Duchess of Cambridge at Ocean Terminal in Southampton during the ceremony where she named Princess Cruises' newest ship, Royal Princess, in her capacity as the ship's Godmother. (credit:PA)
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Open Image ModalThe Duchess of Cambridge at Ocean Terminal in Southampton as she arrives for a ceremony where she named Princess Cruises' newest ship, Royal Princess, in her capacity as the ship's Godmother. (credit:PA)
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Open Image ModalThe Duchess of Cambridge watch the bottle of Moet & Chandon Brut Imperial Champagne break against the ship at Ocean Terminal in Southampton during the ceremony where she named Princess Cruises' newest ship, Royal Princess, in her capacity as the ship's Godmother. (credit:PA)
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Open Image ModalThe Duchess of Cambridge at Ocean Terminal in Southampton during the ceremony where she named Princess Cruises' newest ship, Royal Princess, in her capacity as the ship's Godmother. (credit:PA)
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Open Image ModalThe Duchess of Cambridge at Ocean Terminal in Southampton during the ceremony where she named Princess Cruises' newest ship, Royal Princess, in her capacity as the ship's Godmother. (credit:PA)
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Open Image ModalKate Middlelton (credit:Getty Images)
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Open Image ModalBritain's Catherine, Duchess of Cambridge, attends the National Review of Queen's Scouts at Windsor Castle in Berkshire on April 21, 2013. (credit:Getty Images)
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Open Image ModalCatherine, Duchess of Cambridge meets with scouts as she attends the National Review of Queen's Scouts at Windsor Castle on April 21, 2013. (credit:Getty Images)
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Open Image ModalCatherine, Duchess of Cambridge attends the National Review of Queen's Scouts at Windsor Castle on April 21, 2013. (credit:Getty Images)
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Open Image ModalBritain's Prince William, Duke of Cambridge, and his wife Catherine, Duchess of Cambridge, visit Dumfries House in Ayrshire, Scotland, on April 5, 2013. (credit:Getty Images)
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Open Image ModalBritain's Catherine, Duchess of Cambridge, visits Dumfries House in Ayrshire, Scotland, on April 5, 2013. The Duke and Duchess of Cambridge braved the bitter cold to attend with Prince of Wales the official opening of the Tamar Manoukin Outdoor Centre. (credit:Getty Images)
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Open Image ModalCatherine, Countess of Strathearn during a visit to Dumfries House on March 05, 2013 in Ayrshire, Scotland. The Duke and Duchess of Cambridge braved the bitter cold to attend the opening of an outdoor centre in Scotland today. (credit:Getty Images)
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Open Image ModalBritain's Catherine, Duchess of Cambridge, known as Countess of Strathearn in Scotland, visits Dumfries House, near Cumnock, south of Glasgow in Scotland on April 5, 2013. (credit:Getty Images)
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Open Image ModalBritain's Catherine, Duchess of Cambridge, known as Countess of Strathearn in Scotland, visits Dumfries House, near Cumnock, south of Glasgow in Scotland on April 5, 2013. (credit:Getty Images)
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Open Image ModalCatherine, Duchess of Cambridge visits Great Tower Scout camp on March 22, 2013 in Windermere, Cumbria, United Kingdom. (credit:Getty Images)
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Open Image ModalCatherine, Duchess of Cambridge visits Great Tower Scout camp on March 22, 2013 in Windermere, Cumbria, United Kingdom. (credit:Getty Images)
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Open Image ModalCatherine, Duchess of Cambridge visits Great Tower Scout camp on March 22, 2013 in Windermere, Cumbria, United Kingdom. (credit:Getty Images)
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Open Image ModalBritain's Catherine, Duchess of Cambridge is pictured as she leaves after an official visit to Baker Street underground station in central London, on March 20, 2013. (credit:Getty Images)
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Open Image ModalBritain's Catherine, Duchess of Cambridge is pictured as she leaves after an official visit to Baker Street underground station in central London, on March 20, 2013. (credit:Getty Images)
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Open Image ModalBritain's Catherine, Duchess of Cambridge is pictured as she leaves after an official visit to Baker Street underground station in central London, on March 20, 2013. (credit:Getty Images)
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Open Image ModalCatherine, Duchess of Cambridge meets members of the public as she visits the offices of Child Bereavement UK on March 19, 2013 in Saunderton, Buckinghamshire. (credit:Getty Images)
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Open Image ModalCatherine, Duchess of Cambridge receives a teddy bear as she visits the offices of Child Bereavement UK on March 19, 2013 in Saunderton, Buckinghamshire. (credit:Getty Images)
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Open Image ModalCatherine, Duchess of Cambridge during her visit to the offices of Child Bereavement UK on March 19, 2013 in Saunderton, Buckinghamshire. (credit:Getty Images)
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Open Image ModalCatherine, Duchess of Cambridge receives a teddy bear as she visits the offices of Child Bereavement UK on March 19, 2013 in Saunderton, Buckinghamshire. (credit:Getty Images)
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Open Image ModalCatherine, Duchess of Cambridge carries flowers as she visits the offices of Child Bereavement UK on March 19, 2013 in Saunderton, Buckinghamshire. (credit:Getty Images)
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Open Image ModalCatherine, Duchess of Cambridge attends a St Patrick's Day parade by the 1st Battalion Irish Guards as she visits Aldershot Barracks on St Patrick's Day on March 17, 2013 in Aldershot, England. (credit:Getty Images)
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Open Image ModalCatherine, Duchess of Cambridge attends a St Patrick's Day parade by the 1st Battalion Irish Guards as she visits Aldershot Barracks on St Patrick's Day on March 17, 2013 in Aldershot, England. (credit:Getty Images)
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Open Image ModalCatherine, Duchess of Cambridge attends a St Patrick's Day parade by the 1st Battalion Irish Guards as she visits Aldershot Barracks on St Patrick's Day on March 17, 2013 in Aldershot, England. (credit:Getty Images)
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Open Image ModalCatherine, Duchess of Cambridge attends a St Patrick's Day parade by the 1st Battalion Irish Guards as she visits Aldershot Barracks on St Patrick's Day on March 17, 2013 in Aldershot, England. (credit:Getty Images)
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Open Image ModalCatherine, Duchess of Cambridge attends Day 4 of The Cheltenham Festival at Cheltenham Racecourse on March 15, 2013 in London, England. (credit:Getty Images)
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Open Image ModalCatherine, Duchess of Cambridge and Prince William, Duke of Cambridge watch the racing as they attend Day 4 of The Cheltenham Festival at Cheltenham Racecourse on March 15, 2013 in London, England. (credit:Getty Images)
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Open Image ModalCatherine, Duchess of Cambridge and Prince William, Duke of Cambridge watch the racing as they attend Day 4 of The Cheltenham Festival at Cheltenham Racecourse on March 15, 2013 in London, England. (credit:Getty Images)
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Open Image ModalCatherine, Duchess of Cambridge and Prince William, Duke of Cambridge watch the racing as they attend Day 4 of The Cheltenham Festival at Cheltenham Racecourse on March 15, 2013 in London, England. (credit:Getty Images)
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Open Image ModalCatherine, Duchess of Cambridge visits Peaks Lane Fire Station whilst carrying out a day of engagements on March 5, 2013 in Grimsby, England. (credit:Getty Images)
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Open Image ModalCatherine, Duchess of Cambridge visits Peaks Lane Fire Station whilst carrying out a day of engagements on March 5, 2013 in Grimsby, England. (credit:Getty Images)
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Open Image ModalCatherine, Duchess of Cambridge attends the wedding of Laura Bechtolsheimer and Mark Tomlinson at the Protestant Church on March 2, 2013 in Arosa, Switzerland. (credit:Getty Images)
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Open Image ModalCatherine, Duchess of Cambridge attends the wedding of Laura Bechtolsheimer and Mark Tomlinson at the Protestant Church on March 2, 2013 in Arosa, Switzerland. (credit:Getty Images)
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Open Image ModalBritain's Catherine, Duchess of Cambridge leaves Hope House charity in south London on February 19, 2013. The Duchess visited Hope House, an all-female rehabilitation centre which is is one of the projects run by her patronage, Action on Addiction. (credit:Getty Images)
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Open Image ModalBritain's Catherine, Duchess of Cambridge leaves Hope House charity in south London on February 19, 2013. The Duchess visited Hope House, an all-female rehabilitation centre which is is one of the projects run by her patronage, Action on Addiction. (credit:Getty Images)
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Open Image ModalBritain's Catherine, Duchess of Cambridge leaves Hope House charity in south London on February 19, 2013. The Duchess visited Hope House, an all-female rehabilitation centre which is is one of the projects run by her patronage, Action on Addiction. (credit:Getty Images)
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Open Image ModalBritain's Catherine, Duchess of Cambridge leaves Hope House charity in south London on February 19, 2013. The Duchess visited Hope House, an all-female rehabilitation centre which is is one of the projects run by her patronage, Action on Addiction. (credit:Getty Images)
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Open Image ModalBritain's Catherine, Duchess of Cambridge leaves Hope House charity in south London on February 19, 2013. The Duchess visited Hope House, an all-female rehabilitation centre which is is one of the projects run by her patronage, Action on Addiction. (credit:Getty Images)
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Open Image ModalPrince William, Duke of Cambridge and Catherine, Duchess of Cambridge leave the King Edward VII Hospital after she was treated for acute morning sickness on December 06, 2012 in London, England. (credit:Getty Images)
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Open Image ModalPrince William, Duke of Cambridge and Catherine, Duchess of Cambridge leave the King Edward VII Hospital after she was treated for acute morning sickness on December 06, 2012 in London, England. (credit:Getty Images)
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Open Image ModalPrince William, Duke of Cambridge and Catherine, Duchess of Cambridge leave the King Edward VII Hospital after she was treated for acute morning sickness on December 06, 2012 in London, England. (credit:Getty Images)