Project Runway All Stars (Season 3) is the third season of the Project Runway spin-off series Project Runway All Stars. It features 11 designers from previous seasons of the original series with Alyssa Milano acting as the new host, taking over Carolyn Murphy's role in season 2. Georgina Chapman and Isaac Mizrahi returned as judges for this season. Zanna Roberts Rassi replaced Joanna Coles, mentoring contestants. The season premiered on Lifetime on October 24, 2013.