Heidi Klum and Tim Gunn host designers who face challenges and assignments that will test their design skills and their abilities to run all aspects of a business.

Watch Alexa Chung’s second Vogue documentary in all its glory, as she travels around her adopted fashion capital of New York City. She visits PR guru Brian Phillips, retail darlings Humberto Leon and Carol Lim of Opening Ceremony, comedic fashion blogger Leandra Medine of Man Repeller and many more, to find out just how to succeed as a fashion business.