As the longest-reigning monarch in history, it comes as no surprise that Queen Elizabeth II prefers the people around her to stick to a rule or two.
The royal family, themselves, have a string of protocols they must adhere to, while the staff of the Palace and the Queen herself must also conduct themselves in certain ways.
Now, as first reported by The Express, a royal expert has shared what the Queen disapproves of when it comes to mealtimes with her family and great-grandchildren.
Gyles Brandreth appeared on ITV 's This Morning and gushed about Her Majesty, saying: "The Queen is my role model in all things."
Before continuing to share the one thing the monarch will not allow, which many parents will be familiar with.
He added: "One of the things she won’t allow at the table with her grandchildren and indeed her great-grandchildren is mobile phones at mealtimes.
"She likes a formal, and I too like a fairly formal meal. It doesn’t mean to say you have to have a napkin.
"But you do have to sit at the table nicely and you certainly mustn’t eat with your mouth open!"
While a meal with the Queen could be quite daunting, it seems many will be reassured to find that the royal despises the same bad table manners that we all do.
However, it has also previously been revealed that she also dislikes potatoes, pasta and garlic.
According to former royal chef Darren McGrady, the Queen has a no starch rule in her diet after breakfast. This rule is, however, sidelined when it comes to state dinners.
Instead, she prefers to opt for dinners such as grilled fish or chicken with sides of vegetables or salad.
However, her firm ingredient rule is avoiding garlic. McGrady says: "We can never serve anything with garlic or too many onions. We also couldn’t serve meat that was rare, as she liked her meat more well done."
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