pictures of Harry Styles wearing a sheep-emblazoned knitted tank by Lanvin went viral) but they’ve never quite got around to reviving it themselves.
That was until Jack Carlson, founder of preppy-cool US label Rowing Blazers, came calling. He’d been fascinated by Diana’s sweater since he was a child in the early Nineties and his mother owned the same style.
Read more on telegraph.co.uk