Princess Anne is a senior working member of the Royal Family. She has worked in the family for most of her adult life and will regularly attend official events.
Speaking to Express.co.uk, body language expert Judi James explained how she may have stepped up to support the Queen.
She also suggested Princess Anne could have the most in common with Prince Philip.
The expert said: “She is stoic, hard-working, practical, out-spoken and challenging to meet.
“Of all the Queen’s children, Princess Anne has always been both the closest and the most similar in terms of personality to her father Prince Philip.
“Her low-key, unfussy, immensely solid role in the Queen’s public life makes their relationship look similar in many ways to that between the Queen and her husband.”
Prince Philip has kept a low-profile since he officially retired from royal duties in 2017.
When attending events with the Queen, Princess Anne may take a similar role to the one that was held by her father.
The Queen’s daughter could fit into this role well due to similar personality traits with the Prince, Judi claimed.
Judi continued: “Both women share a passion for horses and, off-duty, they will often dress in identical, country women-style, tweeds, wellies and headscarves.
“If the Queen hadn’t inherited the crown it’s likely it would be Anne’s lifestyle that she would have most love to embrace.
“However, the Queen does seem to have a soft spot for some of the glamour of royal life that is apparently an anathema to her daughter.”
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The royal line of succession – who outranks who?
The line of succession to the British throne dictates the order in which each member of the Royal Family would ascend to the throne.
It is also seen as a ranking of importance with the head of the line, the Queen, taking the place of ruler.
Older children come before younger children. Traditionally boys came before girls, but this law was changed on 26 March 2015 before the birth of Prince William’s first child.
Incredibly, Catholics are still excluded from the line of succession, as are children born outside of wedlock.
The royals, who usually stick to a strict protocol when appearing in public, often arrive at events in ascending order of importance, with the most important royal arriving last.
Prince Charles, 71, is currently second-in-line to the British throne, followed by Prince William, 38, his oldest son.
Then comes Prince William’s children, George, seven, Charlotte, five, and Louis, two, and they are followed by Prince Harry, 35. Prince Harry is succeeded by his son Archie Harrison, born in May 2019.