And it seems that rule also applies to royal weddings.
The loved-up couple will Wednesday on May 19.
The company said the show would feature royal, pop culture and style experts, such as Michelle Lee, the editor-in-chief of Allure magazine, Queer Eye star Karamo Brown as well as Zanna Roberts Rassi, a senior fashion editor of Marie Claire magazine.
The Daily Mail reports that she will attend the ceremony at St George's Chapel on 19 May but that she hasn't been asked to the evening reception.
Melania Trump to announce formal platform
Trump wishes to help the next generation by creating change through awareness on a variety of issues that affect children". From challenges facing children to the opiod epidemic, a look at First Lady Melania Trump's policy agenda.
It also weaves in imagined scenes, including their first blind date, an argument, a sex scene, Harry's proposal and events with key members of Britain's royal family, including the late Princess Diana; Harry's brother, Prince William; William's wife; Kate Middleton, Prince Charles and Queen Elizabeth.
Will the royal wedding be televised? "It's a weird thing to go to a movie theatre to watch, whereas I don't know that I'd watch it at home".
Laura Moniz was never especially interested in the British Royal Family, but she is going all out to celebrate the upcoming wedding of Prince Harry and Meghan Markle.
The bus represents a celebration of the royal event in a high profile and eye-catching advert for the service, which will continue to celebrate the nuptials after the couple's wedding day. "They also want the day to be shaped so as to allow members of the public to feel part of the celebrations too and are now working through ideas for how this might be achieved". It follows a Lifetime biopic made for the 2011 wedding of William and Kate. Their coverage will be streamed live on 7PLUS. "There's a lot more preparation involved, (whereas) you're getting an nearly real-time experience with Harry and Meghan".
Where is the royal wedding happening?
China reiterates foreign enterprises' respect for its sovereignty, territorial integrity
Those airlines included American carriers, and the White House response on Saturday was swift, reports Reuters . Hong Kong and Macau are former European colonies that are now part of China but run largely autonomously.
More than 1,000 people have already been invited into the grounds of Windsor Castle for the wedding. The couple had two daughters - Princess Beatrice and Princess Eugenie. The royal borough of Windsor is 30 miles west of London and just 15 minute's drive from Heathrow Airport. That's why most of the royals you're familiar with rarely, if ever, use it.
As stated by CNN's Max Foster, the moment Markle is Wednesday, she chooses Harry's name and name - as in, his literal name.
During the ceremony, Lady Jane Fellowes, one of Princess Diana's older sisters, will give a reading in a nod to the Spencer side of the family.
The palace did confirm this past Friday that Markle will be escorted to St. George's Chapel by her mother, Doria, and walked down the aisle by her father, Thomas Markle Jr.
But Markle isn't the first "commoner" to Wednesday a British royal.
Frank Ribery signs Bayern Munich contract extension through to 2019
Munich is my home and has been for a long time, so I'm proud to be able to wear the Bayern shirt again in the new season. The 35-year-old Frenchman had been linked with a move away from the German champions in the summer.