The singer slipped up after she was photographed on a night out in London wearing a T-shirt baring heir Prince William's name.
She subsequently incurred the wrath of his younger brother when they met soon after.
Bunton explains, "I wore a Prince William T-shirt for a bit of fun one Valentines night, but then, when I ran into Prince Harry a few months later, he really told me off. He said, 'Why weren't you wearing a Harry T-shirt?'"30/01/2004 00:05