The competition is tougher than ever as three winners of Project Runway return to defend their titles. The task at hand--to create a fashion-forward punk look inspired and judged by punk rock icon Debbie Harry of Blondie.

At the American Museum of Natural History, creepy crawly arachnids and insects serve as inspiration for the designers to create an avant-garde look. Guest judges are Project Runway season 9 winner, Anya Ayoung Chee, and jewelry designer Jennifer Meyer.

Signature cocktails at Jay Z's legendary 40/40 Club stir up ideas for runway worthy cocktail dresses. Guest judges are interior designer Nate Berkus and designer Rebecca Minkoff.

It's back to school for the remaining eight designers in this fan-favorite unconventional challenge to create high impact fashion from materials found in an elementary school classroom. Guest judges are actors Michael Urie and Gabourey Sidibe.

The designers pair up to create young modern looks inspired by the 1930s and Lifetime's new mini-series "Bonnie & Clyde." Guest judges are Austin Scarlett, designer Elie Tahari, and supermodel Bar Refaeli.

America's favorite housewife, Marge Simpson, turns to the All Stars to design a date night dress for an exciting evening out on the town with Homer. Guest judges Anthony Ryan Auld, designer Stacey Bendet and actress Abigail Breslin help to determine whose dress Marge will wear on a future episode of "The Simpsons".

Six remaining designers are whisked away by helicopter to QVC's headquarters in Pennsylvania where they're challenged to design a stunning red carpet gown. Mondo Guerra, QVC's Lisa Robertson, and actress Elisabeth Moss are guest judges.

Project Runway goes global as the designers team up with some of the most influential fashion bloggers in the world to identify a new trend for 2014. Guest judges are Nina Garcia, Christian Siriano and Calvin Klein's Francisco Costa.

Fashion and commerce collide as the All Stars work with design house Milly to create ready-to-wear looks to be sold for charity and the designers face a shocking twist on the runway. Guest judges are Kristin Chenoweth, Nick Cannon and Milly Designer Michelle Smith.

In the Season Finale, designers present collections inspired by their own heritage at a VIP runway show at the world headquarters of the United Nations. Project Runway's Zac Posen and guest judge Gayle King help to crown the winner.

Alyssa Milano reunites the 11 All Star designers from this season; also includes an appearance by Debbie Harry and unseen footage.

Eight all-star Rookies and eight returning all-star Veterans battle to create cohesive collections in the biggest season in All Stars’ history.

Designers tear, dye and burn to create distressed fashion for a post-apocalyptic runway. Danielle Brooks guests.

Designers pair up to create fashion inspired by food and wine pairings. Whoopi Goldberg joins the judges for All Stars’ first ever double elimination.

In the notorious unconventional challenge, designers use all types of balls to create modern day “ball gowns.” Kacey Musgraves guests.

Designers create looks to celebrate a woman’s inner superhero. Supermodel Karolina Kurkova guests.

Betty Boop joins Alyssa on the runway to challenge the designers to create young, chic Hollywood looks. Rebecca Minkoff guests.

RuPaul and Jesse Tyler Ferguson join the judging panel for a spectacular avant-garde runway.

Isaac Mizrahi’s exhibit serves as inspiration for colorful party looks. Legendary supermodel Carmen Dell’Orefice is a guest judge.

Zac Posen invites the designers into his personal studio to gather material for red carpet looks that showcase a signature technique. Zac Posen and Rosie Perez guest judge.

Designers face off against one another to create performance wear for a music superstar. Olivia Culpo guests.

Nina Garcia challenges the designers to create resort wear inspired by different Candy Crush lands. Nina Garcia and Kelly Osborne guest judge.

At the Smithsonian in Washington, DC, designers are challenged to create 6-piece collections. A surprise runway sends one designer home early. Dita Von Teese guests.

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