While Princess Diana's signature pixie cut hair ... a recording captured Diana reflecting on just how much her haircut meant ...

An almost-disaster made Richard Dalton, Princess Diana’s former hairdresser, feared he was "in trouble" after he gave Prince Harry his first haircut, he writes in a new book.

Last season, Emma Corrin wore a replica of Princess Diana's iconic ... Corrin's own hair color is really similar to Diana's natural hair color, but Diana's haircut was what defined her look.

It was most notably seen on celebs like singer Toni Tennille, Olympic figure skater Dorothy Hamill and, of course, Princess Diana. The haircut was also worn on men—think The Beatles or Luke ...