British girls do it differently. Like the French, they’ve long had access to legendary designers — McQueen, Westwood — but that’s not what makes their style so enduring. It’s an instinctive kind of cool. Basically, they’ve always had it.

With a very special Wildflower case on the horizon, we’re spotlighting some of Britain’s most iconic style figures, from Jane Birkin to Georgia May Jagger. Whether you’re clearing out your wardrobe for spring or searching...