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Samantha Markle said: "Of course my father wants to speak at the wedding and he will".

Prince Harry and his fiancée, Meghan Markle, left, arrive with Prince William and Catherine at Westminster Abbey for Commonwealth Day on Monday.

"Meghan is clearly already a part of the family", Myka Meier, a royal etiquette expert and the founder of Beaumont Etiquette, told HuffPost.

"Not to mention the fact that there has been some bad blood between Harry and Thomas after Harry made comments about her finally getting the family she never had".

Hundreds of children were invited to the event, attended by Queen Elizabeth and other royals including Prince William and Kate Middleton, Prince Charles and Camilla, as well as prime minister Theresa May.

In one photo, Markle is the only one without her hands guarding her torso area ― a common self-soothing behavior many people default to in high-pressure situations, according to Brown.

LOVES it. Now, we may've loved Meghan's look over Kate's outfit, but we adore seeing William, Harry, and their ladies color coordinating so perfectly.

It seems that there's some truth to the rumour because the soon-to-be princess has since been spotted wearing two delicate diamond bracelets, one of which has a cross on it.

Meghan Markle is bringing a "modern approach" to the royal family.

Markle, who was recently baptized into the Church of England, was seen singing along during the service.

The American actress, who intends to become a British citizen following the royal wedding on May 19, was far more straight-faced as she joined the congregation in singing the national anthem.

After the Commonwealth Day services at Westminster Abbey ended, the Queen and other members of the Royal Family met those who participated in the day's affair.

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