Wardrobe diplomacy – aka the practice of a national leader (or leading representative) wearing clothes from the country they are visiting as a form of economic and cultural outreach – is back. Diane von Furstenberg just told me she had learned from the folks at Harrods and Selfridge’s that the newly minted Duchess of Cambridge had bought two of her dresses to take with her on her North American tour, which begins at the end of next week.  Read more