Part two of the finale shows the designers showing their collections at Fashion Week in New York City. Guest Judge: Suzy Menkes.

For part 1 of the finale, Heidi Klum and Tim Gunn sent the remaining contestants home to create a 12-piece collection. Tim Gunn visits each designer to critique their collections and meet their families. Later, when the designers have arrived in NYC for Fashion Week, Carol Hannah becomes very ill with a stomach virus. The three designers are given one final challenge, to create one more piece for their collections.

The five remaining designers were asked to create a look inspired by the Los Angeles, Getty Center. Guest Judges: Cynthia Rowley and Cindy Crawford.

The remaining designers were asked to create a companion piece from their winning look. Guest Judges: Nick Verreos and Kerry Washington.

For this challenge, the designers took a field trip to the Michael Kors boutique, where Kors explained that they would be drawing inspiration from seven select locales around the world. Guest Judge: Milla Jovovich.

The designers must create extravagant stage looks for Christina Aguilera, using the work of legendary fashion and costume designer Bob Mackie as inspiration.

Designers were asked to reconstruct a divorcee's wedding gown and turn it into a new, fashionable outfit. Guest Judges: Zanna Roberts and Tamara Mellon.

The designers were challenged to work in pairs to create 2 blue garments for the Macy's, Inc. line. The winner of this challenge would not receive immunity, but would instead, make a holiday dress to be sold in select Macy's stores nationwide and on Macy's.com. Guest Judges: Zanna Roberts and Martine Reardon.

Designers were challenged to create a look inspired by different movie genres. Guest Judges: John Varvatos, Zoe Glassner and Arianne Phillips.

The designers were taken to the Los Angeles Times, and were challenged to create an unconventional outfit made out of newspaper. Irina won the challenge and Johnny was eliminated. Guest Judges: Tommy Hilfiger and Eva Longoria Parker.

The designers were challenged to create party dresses for their surprise clients: the thirteen remaining models. Guest Judges: Marc Bouwer, Zoe Glassner and Jennifer Rade.

The designers were taken to the beach, where they were asked to create a fun, surfer-inspired outfit (with an avant-garde companion piece), and were placed in teams of two. Guest Judge: Rachel Bilson.

Designers were asked to create a chic maternity look for Rebecca Romijn. Guest Judge: Monique Lhuillier.

The designers created a dress for a red carpet event, focusing on making a statement about who they are as a designer. Christopher was the winner of the challenge and Ari was the first designer to be eliminated. Guest Judge: Lindsay Lohan.