There was a collective intake of breath at the sight of Riccardo Tisci’s troupe of rebel gitanes coming down the runway at last night’s Givenchy show. Yes, there were the clothes—a masterful lineup of patchworked furs, fluted paisley skirts, sheer lace sweatshirts, and leather motorcycle jackets—but the visceral thrill of those colorful decorative heads made it equally hard to look away.