Thirteen of Project Runway's most talented and controversial designers return for a second chance at victory. A new host, supermodel Angela Lindvall, reveals an All Stars twist to what all designers love to hate: the Unconventional Materials Challenge! The All Stars are greeted by a new mentor, Marie Claire's Joanna Coles, before facing new judges Georgina Chapman and Isaac Mizrahi.Thirteen of Project Runway's most talented and controversial designers return for a second chance at victory. A new host, supermodel Angela Lindvall, reveals an All Stars twist to what all designers love to hate: the Unconventional Materials Challenge! The All Stars are greeted by a new mentor, Marie Claire's Joanna Coles, before facing new judges Georgina Chapman and Isaac Mizrahi.