Season 1, Episode 10 - "Project Runway All Stars" Season 1 Episode 10 (Let's Get Down To Business). Air Date: 3/8/2012. To determine which three All Stars make it to the finale, the designers get a lesson in the business of fashion and must create a ready-to-wear look within budget. The winning outfit is produced by designer Nanette Lepore and sold nationwide for charity. Guest judge is designer Nanette Lapore.