With just a matter of days until the event, it's hardly surprising that the bride and groom have got their hands full, finalising everything from the seating arrangements to the after-party details.
Speaking on Lorraine on Wednesday, the guest explained that Meghan's mother Doria Radlan would also see her outfit. Included in the display is a crowd of royal-loving fans, members of the Queen's Guard, and 10cm-tall versions of the royal family.
It comes after the Ralph & Russo haute couture atelier team visited the Royal School of Needlework, which was responsible for the bespoke lace on Kate's wedding dress, last week.
When asked what it's been like getting to know Meghan, 36, Camilla said: "It's very nice, all very exciting, ' adding that she and Charles 'can't wait" for the big day. However, there is a chance that her husband, Prince Philip, won't make the it. Her father, Thomas Markle Sr., will walk the Suites actress down the aisle.
As a part of special programming, TLC will also premiere TLC'S Royal Wedding Revealed on 25 May at 8 pm.
Stella McCartney joins a long list of names linked to the much-talked about job, with her neither confirming nor denying that she would be doing the honours when quizzed by a journalist in a previous interview. But here's where it gets confusing - if Prince Harry is not present, she will also have to curtsy to other royalty, including Princess Anne, Princess Eugenie and Princess Beatrice.
He said: "Doria will be meeting Harry and Meghan's nearest and dearest while she's here, including close friend Jessica Mulroney, who arrives on Monday".