This week on Project Runway, the designers create a performance look for Christina Aguilera.
As a result, there are sequins and feathers all over the runway, where legendary costume designer Bob Mackie and Aguilera judge the contestants' looks.
Carol Hannah gets a well-deserved win for her black creation of sequins, matte fabric and iridescent feathers. But Shirin's goth gown is deemed the worst of the bunch and she gets auf'd.
See what Chris March has to say in this week's Runway Rundown: