Analysing their body language, however, the expert stated they seemed to have many differences.
“For Princess Anne though, this relationship looks more about the differences in both behaviour and outlook,” she continued.
“It is hard to the point of impossible to remember any moments when the two women showed any genuine bonding signals, but was this apparent frost the result of a clash between two royal divas or just a mis-match of personalities?”
Judi claimed both women verged on the line of being royal and celebrity which may have caused some competition.
While some aspects of their lives – including their style – was similar, the expert suggested their personalities were very different.
She continued: “Although Margaret was Anne’s aunt there was a period of time when the two women appeared to be rivals for the role of royal glamour-puss in the press.
“Both were featured in high-end fashion magazines and their profiles were equally celebrity-focused.
“As Anne grew older her air of haughtiness and daunting confidence did make her appear similar to Margaret in many ways and the mirrored outfits here, with the matching neutral court shoes and huge handbags and the duster coats and helmet hats could imply she was a chip off the old block.
“Her arms and legs are straight and to attention, her chin is slightly pulled in, and her frown and dour expression suggest a more serious and intense approach.”
Any differences may have been highlighted as they grew older and Judi suggested this was obvious in their body language over the years.
She concluded: “As Anne grew up the contrast between these two women could only have grown wider.
“Anne embraced the life of a countrywoman and Olympian rider with an active distaste for all things glamorous or vain and Margaret retreated to her A-list celebrity style island life in Mustique.”
Princess Anne has been a working royal for more than 50 years.
She has carried out numerous duties on behalf of her mother, Queen Elizabeth II.
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, 72, is currently first-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, 36. Prince Harry is succeeded by his son Archie Harrison, born in May 2019.