Although there's no 'royal rule' against wearing sandals (when Meghan Markle was a senior royal, she often wore them), Kate has only ever been seen wearing heeled sandals a few times, and has never been photographed in flat sandals. All that glitters.
While other royals have also worn open-toe shoes on occasion, closed-toe shoes are thought to be more proper for royal engagements. Etiquette expert William Hanson previously told Harpers Bazaar: "Open-toed shoes are considered informal footwear and inappropriate for formal occasions."
The crown jewels
"The old rule is that hats are never worn indoors after 6pm, because that is when the ladies changed into evening dress, and tiaras and the family jewels would come out. "Flashy diamonds and tiaras are not worn during the day, and only married ladies wear tiaras."
It is an unspoken rule that members of the royal family must not wear wedged heels in front of the Queen, leaving Kate's choice of footwear for royal occasions somewhat limited.
The odd open-toe
It's long been a 'royal style rule' that members of the royal family are not to wear open-toed shoes, particularly to formal events. However, it appears Middleton is more of a fashion rebel than we'd expect, often being spotted with barely-there sandals.
Although there's no 'royal rule' against wearing sandals (when Meghan Markle was a senior royal, she often wore them), Kate has only ever been seen wearing heeled sandals a few times, and has never been photographed in flat sandals. All that glitters.
Kate Middleton often stands in heels for hours at a time while making public appearances. So to ensure comfort, etiquette expert Myka Meier says the Princess of Wales uses two tricks. Kate is said to wear John Lewis non-slip tights and Alice Bow insoles to "cushion" her feet.
According to a source for Vanity Fair, Queen Elizabeth II banned wedges a long time ago simply because she doesn't like them. Since then, women in the royal family have rarely been seen with wedges, with the exception of Kate Middleton who has worn the comfortable shoes a couple of times.
Royal etiquette expert Myka Meier told Fabulous, "Underwear and bras are also considered private intimate wear, and for royals to put intimate apparel on display would simply not be done."
Royal women like Meghan and Kate often keep things casual at official events, wearing affordable brands and easy-to-wear styles, and that includes blue jeans. Here, 20 times royals have worn denim, from Prince Philip and Princess Alexandra in the 1950s to Meghan and Kate today. The Queen isn't one to wear denim.
Her Majesty Queen Elizabeth II was known to sport the brightest of colours when she attended public events, however there is one colour the monarch never wore. Royal biographer Robert Hardman reportedly said: “My favourite remark she ever said was: 'I can never wear beige because nobody will know who I am. '”
Kate's even got a favorite pair of sweatpants! It's not all high heels and tiaras, people: Your favorite royals do occasionally keep things casual in sneakers and a plain old baseball hat, just like the rest of us.
For most, a hug is a completely normal way to express affection, but not for royals when they're out and about on an official engagement. It's rare for a member of the Queen's family to embrace in public as they're technically working, but every now and then, the royals decide that rules are there to be broken.
There are no official rules forbidding public displays of affection, but the late Queen Elizabeth and Prince Philip set a precedent encouraging royals to keep touching to a minimum.
And as to putting one's clothes on, contrary to popular belief the Queen actually dressed alone. The monarch also did her own make-up for most events, with the exception of her annual Christmas speech, for which a make-up artist was employed.
The reason for this is simple, and one we're well familiar with in the future King and Queen Consort - it's all about protocol, with Royal etiquette expert Myker Meier telling People Magazine way back in 2016, 'There is no actual etiquette or royal protocol that says the couple must refrain from PDA.
The present Queen, Elizabeth II, was breastfed following her birth in 1926 and chose to continue the practice with her own children. "Historically, most royal mothers did not always believe that breast was best. In fact, in some cases, it was considered at best an inconvenience, at worst, downright harmful.
Crop Tops. Although an ongoing trend (that the Duchess was a former fan of), no bare midriffs are allowed in Buckingham.
According to The Sun, the British Royal family are under a strict protocol that dictates only two royal mothers can wear orange. However, the other more common reason is it doesn't photograph well, and for royals with pale complexion, it can wash them out. Luckily, that's a problem a healthy dose of bronzer can fix.
The Duchess of Cornwall loves her Apple Watch
The Duchess of Cornwall regularly accessories her outfits with her trusty Apple Watch. The everyday gadget can be used for everything from tracking your fitness and health goals, to sending texts, making calls and listening to music.
Perhaps the most oft-transgressed maxim is touching a member of the royal family in a manner that goes beyond a formal handshake—a guideline that likely dates back to the Middle Ages, when, as the British historian Kate Williams has noted, “monarchs were divinely appointed to rule by God, so they were kind of seen as ...
Now, however, they are permitted to resume their duties - and it turns out that the Queen Elizabeth II actually uses someone to step in for important events when she is unable to, something which was previously unknown. Ella Slack has revealed that she is the monarch's 'stand in' and has been for thirty years.
Her smokey eye makeup was definitely accentuated using false lashes." The talented professional explains how to create the look at home. "Using the Eylure Lash Illusion lash (which has the thinnest band and is clear, like Kate's) it can sit undetected by your natural lash line which can help create this look easily.
Not only is Kate Middleton known for her exquisite taste, from her Alexander McQueen dresses to her festive Catherine Walker coats, but the Princess of Wales is also known for keeping those outfits in a steady rotation. It turns out, rewearing outfits is a do for the royals.
Well, as it turns out, the royal's otherworldly ability to wear heels all day isn't sorcery, it's Italian leather shoe inserts. According to Vanity Fair, Middleton rarely steps out without shoe inserts in her royal pumps.