She saw that they felt themselves alone in that crowded room. And Vronsky's face, always so firm and independent, held that look that had struck her, of bewilderment and humble submissiveness, like the expression of an intelligent dog when it has done wrong. Anna smiled, and her smile was reflected by him. She grew thoughtful, and he became serious. Some supernatural force drew Kitty's eyes to Anna's face. She was enchanting in her simple black dress, enchanting were her round arms with their bracelets, enchanting was her firm neck with its thread of pearls, fascinating the straying curls of her loose hair, enchanting the graceful, light movements of her little feet and hands, enchanting was that lovely face in its animation, but there was something terrible and cruel about her charm.