The supermodel and executive producer Michael Rucker discuss their homecomings to the series, the dynamic cast and why Christian Siriano remained as the designer’s mentor with the network shift.

Project Runway is officially back for season 21. The iconic fashion competition series made its grand return on July 31 with a special two-episode premiere on Freeform (and yes, it's also streaming on Hulu and Disney+ for those of us who prefer binge mode).