Clockwise from bottom left: Looks from the spring 2026 runways of, Chanel, Fendi, LII, Bottega Veneta, Diotima, Prada, and Balenciaga. Center: Marlon Brando in A Streetcar Named Desire, 1951. Of the more than 20 designer turnovers that have roiled fashion in the past year and a half, perhaps the most anticipated was the debut of Matthieu Blazy at Chanel.