Season 11 opens with 16 designers arriving in New York City. They use the Big Apple as an inspiration to create clothes, and soon discover they will be working in teams the entire season. Guest judge: Christian Siriano.

The designers serve up ball-boy outfits and new server uniforms for a Ping-Pong social club. Susan Sarandon is the guest judge.

The outfitters are tasked to design garments for host Heidi Klum for the launch of her new fragrance line. Guest judge: Kristin Davis.

The designers must fashion clothes from hard and soft materials. Included: The teams are hit with a twist. Bette Midler and fashion blogger Leandra Medine are the guest judges.

As yet another surprising turn impacts the teams, the designers are tasked to fashion a performance outfit and a red-carpet look for country artist Miranda Lambert, who is also the guest judge.

Fashionable clothes for senior citizens are created by the contestants. Joan and Melissa Rivers are the guest judges.

The contestants design fashion-forward prom looks constructed from duct tape. Guest judge: designer Chris Benz.

The clothiers create outfits for the male revue Thunder From Down Under. Emmy Rossum is the guest judge.

The clothiers push themselves to create spring items worthy enough to be showcased in the windows of an upscale department store. Fashion figures Rachel Roy and Bonnie Brooks are the guest judges.

Artwork at the Guggenheim inspires the contestants to create their own print textiles for their clothes. Designers Tracy Reese and Rachel Roy serve as guest judges.

The designers display their signature aesthetic when they create worthy looks to be worn by actress Jordana Brewster in a fashion-magazine spread. Brewster also serves as the guest judge.

The designers seek fashion inspiration from Europe when they travel to Berlin, Barcelona, London and Paris. Music artist John Legend is the guest judge.

In Part 1 of the two-part Season 11 finale, the final four designers journey home to work on their collections. They also receive visits from mentor Timballoonn before returning to the Big Apple to preview their lines to the judges.

The winner is named in the conclusion of the two-part Season 11 finale. Michael Kors is the guest judge.

Zanna Roberts Rassi hosts a reunion edition featuring the regrouped designers reminiscing about their Season 11 experience.