British Royal Family

Kate Middleton, Duchess of Cambridge, accepts flowers from members of the crowd as she leaves Sandringham Church after the traditional Christmas Day service on December 25, 2011, in King's Lynn, England

Kate Middleton chose a matching blue hat when she attended a church service to mark Prince Philip's 90th birthday. The Duke and Duchess of Cambridge leave with other members of the royal family after the service on June 12, 2011 in Windsor, England

Catherine Middleton arrives at The Goring Hotel after visiting Westminster Abbey on April 28, 2011 in London, England. With less than 24 hours to go final preparations for the wedding of Prince William and Kate Middleton are in place

Kate Middleton and Prince William talk with youngsters from a local soccer club at Witton County Park, during a visit Darwen Aldridge Community Academy on April 11, 2011, in Darwen, north-west England.

Prince William, Duke of Cambridge and Catherine, Duchess of Cambridge talk to Queen Elizabeth II as they
arrive, holding their son Prince George, at Chapel Royal in St James's Palace, ahead of the christening of the
three month-old Prince George of Cambridge by the Archbishop of Canterbury on October 23, 2013 in London.

Prince William, Duke of Cambridge, met Taylor Swift at Kensington Palace for the Centrepoint Winter Whites Gala on Nov. 26. 2013

Catherine, Duchess of Cambridge arrive for the Christmas Day service at Sandringham
on December 25, 2013 in King's Lynn, England.

Prince William, Duke of Cambridge and Prince Harry help with flood defences around a school on February 14, 2014 in Datchet, United Kingdom. Flood water has remained high in some areas and high winds are causing disruption to other parts of the UK with the Met Office issuing a red weather warning.

Britain's Prince Charles, center, with his sons Prince William, right, and Prince Harry stops for the media outside Lancaster House as they arrive to attend the Illegal Wildlife Trade Conference in London, Thursday, Feb. 13, 2014.

QUEEN AT PARLIAMENT OPENING -- Britain's Queen Elizabeth arrives for the State Opening of Parliament, at the Palace of Westminster in London May 8, 2013.

Prince William (C), Catherine, Duchess of Cambridge and Prince Harry look at the Tower of London's 'Blood Swept Lands and Seas of
Red' poppy installation to commemorate the 100th anniversary of the outbreak of World War One (WW1), in London August 5, 2014.

Queen Elizabeth II and Prince Phillip, Duke of Edinburgh attend the presentation of 'Stepping Forward' during the Solemn Drumhead service at Royal Hospital Chelsea on June 28, 2014 in London.

Queen Elizabeth II meets guests during a Garden Party at Buckingham Palace on June 6, 2013 in London.

Queen Elizabeth II attends the Ceremony of The Keys, with the 2nd Battallion Royal Regiment of Scotland as Guard of Honour at The Palace Of Holyroodhouse on June 30, 2014 in Edinburgh, Scotland.

Queen Elizabeth II, Prince Philip, Duke of Edinburgh, Prince William, Duke Of Cambridge and Princess Anne, Princess Royal attend the Thistle Service at St Giles' Cathedral on July 3, 2014 in Edinburgh, Scotland.

Prince Harry stands next to a Guardsman at the Jaguar Landrover driving Challenge, which will be the first event in the Invictus Games, in Gaydon, central England on September 9, 2014.

Princess Diana and Prince Charles aboard the royal yacht Britannia. Their honeymoon was a 12 day cruise through the Mediterranean.

They ended their honeymoon at Balmoral Castle, Scotland.