Many commentators have since claimed that Anne’s dislike for Diana remained a constant throughout her time with the royals.
Ingrid Seward, a royal author, touched on the pair’s icy relationship in her book, ‘Prince Edward’, revealing the humiliating name Anne had for Diana.
She wrote: “Anne was indifferent to Diana from the very beginning.
Princess Anne: The royal is said to have called Diana a ‘silly girl’
Royal: Anne and her husband, Tim Laurence, at Ascot
“She treated the woman, who by marriage to her elder brother might have become her Queen, with withering disdain.
“She called her ‘a silly girl.'”
The author recalled the moment the real tension came to a head, at the end of Ascot week in June 1981 – barely a month before Diana’s marriage.
Diana spent the race meeting – one of the most important sporting events in the Royal Family’s calendar – at Windsor Castle.
Princess Diana: She entered the royal fold as an outsider and shook the Firm from within
“Diana, still only a Lady, gave the Princess the benefit of a full curtsey and declared: ‘Ma’am, how wonderful to see you.’
“Anne is contemptuous of pretension at the best of times.
“When she was struggling with two small children she had no time for it at all.
Media: Anne is said to have disliked the way Diana used the media to her advantage
Royal history: A young Anne pictured in the Seventies
“She looked up at Diana – and looked straight through her.
“Diana, confronted by the searing force of Anne’s scorn, fled the room.”
Meanwhile, Anne this month returned from her visit to Scotland with the Queen as part of Royal Week.
The Monarch has traditionally travelled north of the border each year, often accompanied by another senior member of the Firm.
In June and July, Anne joined her in Edinburgh and Glasgow.
Royal Week: The Queen and Anne in Scotland during Royal Week
The Princess Royal has long been considered the model Meghan Markle and Prince Harry might have aimed to emulate in their endeavour to lead private lives yet maintain their charity work.
Anne’s ability to lead a relatively private life is mostly down to the fact that she is unlikely to ever become Queen.
Source: EXPRESS CO UK