Project Runway: All Stars is a spin-off series based on Project Runway. It featured 11 designers from previous seasons of the original series with another new host. The judges, Georgina Chapman and Isaac Mizrahi. Zanna Roberts Rossi will replace Joanna Coles, mentoring contestants. The season premiered on Lifetime on October 24, 2013. Guest judges include Abigail Breslin, Kristin Chenoweth, Gabourey Sidibe, Elisabeth Moss, Nick Cannon, Debbie Harry, Bar Refaeli, Gayle King, Lisa Robertson, Nate Berkus, and Michael Urie. Original series judge Nina Garcia and Zac Posen, along with previous Runway winners Christian Siriano and Anya Ayoung-Chee, as well as two All Stars winners Mondo Guerra and Anthony Ryan Auld will appear. Marge Simpson will also make a special appearance. This season especially features numerous winners of the original series.

For season six, Alyssa Milano returns as host with judges Isaac Mizrahi and Georgina Chapman and Anne Fulenwider, Editor-in-Chief of Marie Claire joining as mentor.