Project Runway All Stars — Season 4

Fourteen designers return for the season; the designers create collections inspired by new York's uptown or downtown scene.

The designers must create feminine looks from the masculine materials at a construction site in an unconventional challenge.

With exclusive access to the Broadway musical, "Wicked," the designers compete to create couture inspired fashion.

The designers must create colorful party dresses inspired by their personal relationships.

The clothiers meet British royalty in London as inspiration to create winter fashions. Guest judge: Debra Messing

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

The designers must create looks for Match.com singles to wear on first dates.

The designers must create elegant resort wear with swimsuits, but first they must collect their fabric from under the water.

The designers must use marine life as inspiration for avant-garde fashion; one designer doubles the budget by swimming with sharks.

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

The designers must use Marchesa's showroom as inspiration to create bridesmaids' dresses.

Marilyn Monroe's timeless beauty inspires the designs of red carpet gowns; a Hollywood legend visits the workroom.

The finalists design collections representing the four seasons of the year; the winner is chosen.

Alyssa Milano reunites all 14 designers to debate the fashion, fights, and turmoil from this season; moments and drama from inside the workroom; the designers give updates and answer viewers' questions.