"I think we'll see a gradual change in Meghan's style over time to conform to those [royal] elements, but at the same time, I think what everyone loves about her is her own personal unique style", Arbiter said.
Another thing that the royal family aren't allowed to do is be touched by members of the public without being prompted and, most notably, hug them. So how did her former makeup artist honor Meghan's past requests?
Although Meghan's go-to hairstyle is wearing it down, "straight or wavy or anything else", Lydia has a prediction for her wedding hair: a sleek, elegant chignon.
I shook Harry's hand and I said, "I'm so sorry, I haven't called you Your Royal Highness once today".
Michelle Obama's hand on the Queen's back also made headlines.
When meeting the Queen or any member of the royal family, the traditional protocol is for men to bow from the neck only and for women to curtsy, per the royal family's website.
"And as we explained in our blog about world leaders on Twitter: We review Tweets by leaders within the political context that defines them, and enforce our rules accordingly", a Twitter spokesperson told NPR.
After all, they're mostly out on official duty when pictured in public. And I believe that the most important aspect of an institution like the Royal Family is this: given the awe and respect it inspires among many people, those who join the family will nearly certainly be willing to modify their own attitude and behavior in order to ensure enduring harmony.
Referring to Kate and Wills she added, "The couple are likely to show very little PDA, if any, to remain professional during their designated roles".
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