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Princess Diana's favourite gym sweatshirt which was a gift from businessman Sir Richard Branson has emerged for sale for £4,000. ($5,000)

She was regularly snapped wearing the dark blue cotton top with the Virgin Lady 'Flying Lady' logo when leaving the exclusive Harbour Club gym in Chelsea.

Diana gifted the casual item of clothing to her longtime personal trainer, Jenni Rivett, months before her death 22 years ago.

Accompanied with it was a note which read 'Dearest Jenni, Lots of love from, Diana, x'.