For their next challenge, the designers must collaborate with local accessory designers to create a stylish runway look and a brand new accessory. They have $400 for fabric at Mood, an additional $250 for notions at Hai Trim & Feathers, and two days to complete the challenge.

Working in pairs, the designers must create innovative avant garde looks highlighting one of the most trendy and complicated of materials — faux fur. They have $500 and two days to complete the challenge.

The designers are asked to create a comfy chic "Couch Couture" look that is both luxurious and cozy. They have $400 and one day to complete the challenge.

For this unconventional challenge, the designers are asked to create an elegant cocktail dress using materials from an actual cocktail bar. They have two days to complete their looks.

For this challenge, each designer is paired with a star from Bravo's "Real Housewives" shows in order to create the ultimate reunion show look for them. They have $700 and two days to complete their garments.

For this assignment, the designers are each teamed with an up-and-coming hairstylist for a head-to-toe fashion collaboration. They must create a runway look inspired by their stylist's hair design. They have $500 and one day to complete the challenge.

The must create editorial looks specifically inspired by internationally renowned model Coco Rocha. They are tasked to show their artistic range by delivering not only the perfect garment, but the perfect photograph to show it off. They have $800 and two days to complete the challenge.

For the last challenge, the designers must create a look showcasing their brand's point of view in the next wave of fashion. They have $750 and two days to complete their garments.

Each of the remaining designers is given five months and $10,000 to design a 10-piece collection for Fashion Week. In the interim, each gets a special visit in their hometown from Christian Siriano. Back in New York, they present their work at Fashion Week and a winner is crowned.