PARIS — Nearly half a century ago, when Karl Lagerfeld was the creative director of Chloé, his houseguests included the artist Antonio Lopez and the artist’s muses Pat Cleveland and Jerry Hall, and the pictures they made together resonate down the decades. Cleveland and Hall were front row centre at the Chloé show on Thursday afternoon. Chemena Kamali couldn’t have wished for better backup for her debut. It was such a clear…