Here's everything to know...
The Cambridges are undoubtedly the most talked-about family in the world, making news for everything from their relocation to Windsor and Princess Charlotte's recent solo appearance to the first official outing of the new royal dog, Orla.
Recently however it was Kate Middleton who made news, but not for her impressive royal work or sweet interactions with the public, as per usual. Instead, it was details of how she travels on planes that were revealed.
According to royal correspondent Emily Andrews, the Duchess of Cambridge is regularly given a spare seat to hang her clothes on, ensuring that they don't get crimped.
The royal expert revealed the detail in the Channel 5 documentary, Secrets of the Royal Flight.
"Obviously when we go to the airports, especially when it's hand luggage only, we're trying to cram all our toiletries into that plastic bag," she explained. "It's never big enough."
Going on to speak about how royals don't have to worry about the same luggage limits, Emily recalled that she had "been on a plane where Kate's dresses had their own seat to make sure they were kept flat."
She continued: "They are not going to be shoved in the hole just to be squashed by everyone else's."
Well, that's that.
Secrets of the Royal Flight is available to watch on Channel 5.
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Jenny Proudfoot is an award-winning journalist, specialising in lifestyle, culture, entertainment, international development and politics. She has worked at Marie Claire UK for seven years, rising from intern to Features Editor and is now the most published Marie Claire writer of all time. She was made a 30 under 30 award-winner last year and named a rising star in journalism by the Professional Publishers Association.
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