Project Runway: All Stars (Season 3) is a spin-off series based on Project Runway. It features 11 designers from previous seasons of the original series with another new host (Alyssa Milano). The judges, Georgina Chapman and Isaac Mizrahi. Zanna Roberts Rassi will replace Joanna Coles, mentoring contestants. The season premieres 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 (season 4) and Anya Ayoung-Chee (season 9), as well as two All Stars winners Mondo Guerra and Anthony Ryan Auld will appear. Marge Simpson will also make a special appearance.