The Queen had to give Prince William and Kate Middleton special permission to go on holiday as a family with their three children last week.The Duke and Duchess of Cambridge, both 39, were seen at Gatwick Airport jetting off to an undisclosed location for the half-term break with their three children Prince George, eight, Princess Charlotte, six and Prince Louis, three.
It's rare for the family to be allowed to fly together due to an unusual unwritten travel rule in place for the royals. Senior members of the Royal Family aren't permitted to fly together usually, unless they've requested permission from the Queen.
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