Christmas is typically a time for relaxation, indulgence, and comfort. However, for the Royal Family , the strict protocols don't take a holiday, even during the festive season. As they gather at Sandringham, the Royals, both men and women, must adhere to their usual style rules.

Unfortunately, this means we won't see Kate Middleton or Princess Eugenie in novelty Christmas jumpers. Here, we delve into the surprising sartorial restrictions that Royals like Kate, Beatrice and Queen Camilla must follow – from coat lengths to hat etiquette. .

. Hats READ MORE: The Princess of Wales' strict beauty rules for Christmas events – including no red lipstick One of the primary rules is that all Royal women should don a hat or fascinator when attending formal public events. Over the years, some Royals, notably Meghan Markle , have chosen fascinators for Christmas Day.

However, these headpieces can't be too extravagant or similar to those seen at Royal Ascot . In recent times, we've noticed less hat-wearing, with Royals such as Sophie, The Countess of Wessex, Princess Beatrice, and Princess Eugenie opting for thick headbands instead. Below-the-knee coats To keep warm in the chilly weather , the ladies are always spotted in stylish coats, which must conform to traditional Royal protocols by reaching below the knee.

Not only do these coats need to be the right length, but the fabric and design also have to be suitable. Reflecting on the past few years, it's clear that a simple and unassum.