Major Nicholas is a close friend of both Prince William and Prince Harry, and as a Household Cavalry Officer was part of the guard to the carriage at thewedding of the Duke & Duchess of Cambridge, and her sister, Grace, was one of thebridesmaids.
The spectacle is sure to be grand and bound to please Americans obsessed with theroyal family - or at least big fans of theNetflix series, "The Crown".
She will spend her last night as a single woman at a hotel in Berkshire called Cliveden House before traveling with her mother, Doria Ragland, to Windsor Castle for theceremony at noon (7 a.m. ET).
They've asked for charity donations instead of wedding presents, but Prince Harry and Meghan Markle are still set to receive gifts from across the globe.
It follows Mail on Sunday reports that Ms Markle's father had staged pictures for a paparazzi photographer.
With Meghan's father undergoing heart surgery, her mother is the favorite, going up against President Trump, whose odds are 500 to one.
Several restaurants and coffee shops in Berlin are offering specials along with public viewings of Saturday's wedding. Even though the wedding doesn't start until midday, they need to make sure all guests are seated in time. The grandkids of ex-prime minister Brian Mulroney, who will join Prince George and Princess Charlotte as pageboys and bridesmaids.
Theroyal family has not responded to The National Enquirer's bizarre claims.
Ironically, Harry's had problems in the past with girlfriends who dumped him because they just couldn't handle theroyal lifestyle with all its media scrutiny.
And given the high-profile nature of the event, you can bet the future king has put in place some rules.
"Posh, but not baby", joked Michael Stutman of Philadelphia.
Is it just us or are the Queen's hats getting a little more funky? (She'll claim it was cream.) A cousin will probably bring a date who hits the tequila, then the dance floor-hard.
When Lady Diana Spencer married Prince Charles in 1981, she caused quite the scandal by changing her vows.
The entire world will be closely watching, what is being dubbed as, the wedding of the year.
She announced her arrival in the English capital by posting photos of landmarks, including the Palace of Westminster and the London Eye, to her Facebook page, writing: 'We're here!
Meanwhile on Wednesday, her half-sister, Samantha Markle, was reportedly injured following a 'paparazzi confrontation' in Florida.