Welcome to another episode of Pop Fashion! A 19-year-old designer made a Met Gala dress, Estee Lauder is retesting some of its products, and Lacoste's creative director has said goodbye. Cancer patients have better clothing options, Chanel built a boat for its latest show, and fast fashion brands are innovating around sustainability. We have some issues with Karl Lagerfeld. We also have a Nike follow up. Come hang out!