Project Runway All Stars designers return for the biggest season yet. For their first challenge, designers must create collections inspired by New York's uptown or downtown scene.

A construction site forces designers to create feminine fashion from masculine materials for the notorious unconventional challenge.

With exclusive access to the Broadway musical Wicked, the All Stars face off to design couture inspired fashion. Betsey Johnson and Modern Family's Ariel Winter guest judge.

Emotions run high as Nina Garcia returns to judge colorful party dresses inspired by the designers' personal relationships.

The designers meet British royalty in London, England as inspiration for winter wear. Debra Messing guest judges.

The stakes are high as the All Stars designers roll dice on the runway for a fashion gamble.

Love is in the air as the All Stars design looks for Match.com singles on first dates. Orange Is The New Black's Laverne Cox guest judges.

Elegant resort wear with attention grabbing swimsuits. But first the designers must collect their fabric from under the water! Nigel Barker guest judges.

Underwater marine life provides inspiration for avant-garde fashion. But which designer doubles the budget by swimming with the sharks?

Alyssa and the judges take over Times Square to school the designers in the business of fashion for a QVC separates challenge.

Marchesa's showroom inspires bridesmaid dresses for a real wedding ceremony officiated by Alyssa on the runway. Cat Deeley guests.

Marilyn Monroe's timeless beauty inspires dazzling red carpet gowns. And a Hollywood legend pays a special visit to the workroom.

The All Stars finalists design collections representing all 4 seasons of the year. Zac Posen and Mira Sorvino join the judges and a VIP audience to crown the winner. Season finale.

Past designers come back to compete for another chance to be the winner of Project Runway.