Some of the models in Chanel’s couture show last week looked so down in the dumps, a few of them downright forlorn, like they’d lost their iPhone or something. (Perk up, Cara!) Maybe it was just their melancholic look, because they really had nothing to be miserable about. It wasn’t like they were the ones who spent hundreds of hours laboring over the dresses, applying countless fabric flowers or stitching miles of embroidery by hand, the way the seamstresses at maisons Lemarié and Lesage did, as seen in this video from Chanel…