Project Runway All Stars S4, E6

Past designers come back to compete for another chance to be the winner of Project Runway.

Cast:Georgina Chapman , Isaac Mizrahi , Alyssa Milano , Zanna Roberts Rassi , Scott Patric , Linh Nguyen , Dmitry Sholokhov , Fabio Costa , Anne Fulenwider , Michelle Lesniak , Anthony Williams , Helen Castillo , Anthony Ryan Auld , Ken Laurence , Irina Shabayeva , Joanna Coles , Joshua McKinley , Mondo Guerra