‘Project Runway’ hits season 18. How many winners have established successful careers?

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Christian Siriano, winner of Project Runway season 4, at Ozy Fest in 2018. Photo credit: Rhododendrites [CC BY-SA 4.0], via Wikimedia Commons

“Project Runway” is back for its 18th season on Thursday -- without host Heidi Klum and mentor Tim Gunn. They’re replaced by Karlie Kloss and Christian Siriano, respectively. Siriano won the fourth season of Project Runway season. Soo 15 years and 17 winners later, what’s the show’s impact on the fashion industry?