MILAN — “Everything Everywhere All at Once” is winning all the movie prizes on its way to Oscar gold. On Saturday night, it felt like Matthieu Blazy tapped into the same propulsive, polymorphous momentum with his sensational show for Bottega Veneta. Post-presentation, he talked about “the alchemy of the street,” the magic that happens when the world hits the sidewalk. Who knows what you’ll see, who you might meet?
“I was very…