When Meghan and Harry marry on Saturday, they'll already have busted out of a bunch of royal conventions.
There's the obvious: she's an American actress, a divorcee, a self-made older woman who goes by 'Ms'.
There are the protocol breaches: the pair are marrying on the weekend instead of the royal tradition of weekday weddings and - shock horror - they haven't ordered a fruit cake.
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But if Meghan Markle and Harry Windsor really want to shake things up this weekend, here are a couple of tips for the big day.
Get some Dutch courage
It is a scientifically proven fact that you physically cannot get drunk at your own wedding.
No matter how many pre-ceremony drams/beers/bubbles you put away, the sheer terror and gut-wrenching nerves of the day mean the beer goggles just never arrive.
You will be in full hosting mode like no other day of your life, and a few breakfast drinks will not override this sense of responsibility.
So do yourself a favour and enjoy the champagne.
Walk down the aisle together
If this modern couple really want to do things differently, they should cast off a truly outdated tradition.
If this modern couple really want to do things differently, they should cast off a truly outdated tradition.
Walk the aisle side by side. Present yourselves as a unit who will take on the world together, and not as a man awaiting his chattel.
This wedding is going to trigger a whole host of new wedding trends - and it's time brides stopped presenting themselves as possessions to be passed from one man to another.
And trust - no matter how much you've been looking forward to your wedding, no matter how keen you are to sign on the dotted line - getting married is nerve-wracking as hell.
There might be no nicer way to face your fears than hand-in-hand with your partner-in-crime.
Let Meghan speak
Public speaking is hard at the best of times.
When an estimated 3 billion people are watching (that's 1 billion more than watched Kate and William wed), it's going to be considerably harder.
But the job of the wedding speech has been palmed off on men for too long.
Change the script, Meghan.
Get a glass of champagne in you, then speak up. Thank your groom for showing up and tell the groomsmen how handsome they look.
This is the marriage that is shaking up the one of the oldest institutions in Europe.
So why not make it the one that shakes up one of the oldest institutions in the world?
Click here to read Newshub's full royal wedding coverage.
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