You just caught up on about Valentino in NYC, but the latest fashion magic was happening across the globe in Japan. Dior's creative director Raf Simons staged his first pre-fall show (called Esprit Dior Tokyo, but #DiorTokyo if you want to peep more on your social channels), hot on the reopening of its new Tokyo flagship store – and it was jaw-droppingly cool. Here's what you need to know.