Stella McCartney’s Paris show featured knitwear made out of plastic bottles

On an ordinary Parisian market street on an ordinary rainy fall day, Stella McCartney’s high-octane show on Monday was anything but.Guests gasped as the drizzle ceased, the clouds parted, and the sun emerged moments before the show — a heavenly metaphor, perhaps, for McCartney’s optimistic and nature-inspired display.Meanwhile, inside the storied grounds of Les Invalides with its golden dome, Balenciaga’s guests had to present a golden ring—instead of an invitation—to enter the show. Snaking...