“Gone are the days when a show’s models were an army of nearidentical mannequins” With hindsight, it feels like a no-brainer – an obvious ‘why didn’t we do this before?’ move. Simone Rocha, while working on the casting for her A/W17 show, decided that she wanted to reflect the all-ages appeal of her clothes by making her model line-up a multi-generational affair. So, alongside girls of the moment such as Lineisy Montero and Olympia Campbell, she enlisted the gloriously poised and elegant Benedetti Barzini, 73, Jan de Villeneuve, 72, and Cecilia Chancellor, 50, in the process conjuring up one of the most refreshing and talked-about moments of the season. And she wasn’t alone: Dries van Noten celebrated his 100th catwalk show by reuniting past muses such as Amber Valletta, Emma…