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Dun, dun, dun, dun… yes, dear reader, that is the non-existent sound of Princess Eugenie walking down the aisle tonight in our second royal wedding.

Of course, Princess Eugenie’s wedding to Jack Brooksbank will 100 per cent not be like any wedding you or I have been to. Not even your friend’s second cousin who spent $20,000 on outrageous wedding flowers.

No, royal weddings come with a lot of strict royal rules that simply must be followed. Or else.

According to Vanity Fair , to make sure everyone’s across what they need to know, guests have been issued with helpful information packs with all the royal rules and dos and don’ts for Princess Eugenie’s wedding.

It’s not as long as The Duke and Duchess of Sussex Prince Harry and Meghan Markle’s seven-page booklet from their wedding, but it’s still more hectic than the ole ‘no kids’ rule.

Get a load of these:

Side note – here’s a few more dos and don’ts royal wedding guests have to watch out for. Post continues after video.

In addition to these specific instructions, there are some general royal wedding rules that anyone fancy enough to be invited to a royal wedding would know off by heart.

For example, you can’t really rock up to a royal wedding in a strapless gown or one with delicate straps, and female guests are expected to cover their hair with hats, and it’s actually considered a big no-no if youdon’twear a hat inside the church.

The bride’s bouquet must also contain myrtle, the “herb of love”, just like Queen Elizabeth, Princess Diana and Kate Middleton and Meghan Markle all carried for their weddings.

Another one for the bride – she’s ‘encouraged’ to wear a wedding dress designed by a British designer unless they want some side eye from the Queen. Meghan’s French-designed Givenchy dress was an exception, as were many other things on her wedding day.

Nude stockings must also be worn by all female guests (and the men if they please), which plays nicely into another one of the Queen’s finicky rules – no wedge heels.

On the plus side, there aren’t any royal rules that say Princess Eugenie, her husband and any of her guests can’t drink at the wedding.

Cheers to that.

Are you excited for Princess Eugenie’s wedding? Or, do you not care in the slightest?