The father of the bride is recovering after urgent surgery and confirms he won't make it to the royal wedding.
Roads near Windsor Castle will begin closing, while some other routes will be shut from around 10pm the night before. In the case of the Duke of Sussex, the last person to hold that title, King George III's sixth son Prince Augustus Frederick, who died in 1843 with no heir.
But how will the "Suits" actress be addressed after their Spring wedding on May 19 at St George's Chapel in Windsor Castle? We'll be playing "spot the celeb" for two solid hours.
Some estranged members of Meghan Markle's extended family have arrived in Britain, but did not receive invitations to the wedding. Prince William will serve as his brother's best man. Markle will not have a maid or matron of honor. Kensington Palace declined to comment on Wednesday. Add Royal Family as an interest to stay up to date on the latest Royal Family news, video, and analysis from ABC News.
Meanwhile, Meghan's mum Doria Ragland has touched down in the United Kingdom to be by her daughter's side.
The Queen was seen in Windsor today being driven along the Long Walk.
GETTY WISE MOVE Kate and Wills will leave the baby behind as advised by medical experts
It's not that suspiring if Doria plays a major role on Meghan's big day and walks up the aisle with her attractive daughter on her arm.
Ms Ragland is said to be furious at her ex-husband Thomas Markle for the controversy - and for failing to stop his family from "trashing" their daughter ahead of her wedding to Prince Harry, The Sun reports.
Despite her parents divorcing when she was six, Harry's future wife has remained close to her father. Many are speculating that the vacant Dukedom of Sussex is being reserved for Harry, in which case Meghan's official title would become Her Royal Highness the Duchess of Sussex.
Harry and Meghan will leave the church, greeting 200 representatives of Harry's charities assembled in the cloister. "And I think it's a nice tradition, they look really cute", Nancy McCoy from San Francisco said.
But following the protocol from the royal wedding in 2011 when Kate Middleton married Prince William, many are assuming that Meghan Markle and Prince Harry will be granted new royal titles at some point during their wedding ceremony.
It was there in Toronto, hobnobbing within Canada's elite circles that led her to her real Prince Charming, Prince Harry, whom she was set up on a date with back in July 2016.