‘Halston’ is a limited series on Netflix that tells the story of an iconic fashion designer. Based on the book ‘Simply Halston’ by Steven Gaines and featuring Ewan McGregor as the namesake protagonist, the show follows his rise in the glamorous fashion industry of the 70s and 80s. Depicting many real-life celebrities like Liza Minnelli as well as the iconic Studio 54 in New York City, the period series is steeped in history. But is it based on a true story? We decided to find out. Possible Spoilers Ahead.