It takes a real madman to pin a historic debut on as straightforward an opening look as a boxy gray suit, but a dash of undiluted confidence is just what Chanel needs. Because of Matthieu Blazy ’s boldness, the fashion industry came to a standstill this evening in Paris. Editors, clients, former Lagerfeld muses, Jennie from Blackpink, Nicole Kidman, Tilda Swinton , Julia Louis-Dreyfus, Pedro Pascal , newly appointed house ambassador Ayo Edebiri , and Raf Simons—you name the glitzy industry icon,