There was affection on both sides, wrote Morton.

“Diana was full of appreciation at her royal guardian angel,” he wrote.

“‘I’ve always adored Margo.

Princess Margaret smiling

Princess Margaret reportedly helped Princess Diana navigate life as a member of the royal family.

“So much that Diana was going through reflected Margaret’s own experience,” wrote Morton.

Princess Margaret even stood by Princess Diana after her separation from Prince Charles at first.

Princess Diana smiling at Princess Margaret

The older royal cut off contact after Princess Diana’s infamous BBCPanoramatell-all, which left Diana heartbroken.

“Diana was devastated by Margaret’s hostility,” wrote Morton.

“From that day forward, Margaret became her fiercest critic and most implacable opponent.

Not evenPrincess Diana’s deathmoved Princess Margaret.

“She said the hysteria was rather like Diana herself…