Miss Piggy takes charge as client and guest judge when the All Stars create a cocktail dress for the Muppets' most demanding diva. Will the designers live up to the high standards of this international fashion icon?

13 of Project Runway's most talented and controversial designers return for a second chance at victory. New host supermodel Angela Lindvall reveals an All Stars twist to what all designers love to hate -- the unconventional challenge! The All Stars are greeted by a new mentor, Marie Claire's Joanna Coles before facing new judges Georgina Chapman and Isaac Mizrahi.

The All Stars have just 24 hours to create glamorous ball gowns for a night at the Opera. Guest judges are kings of the red carpet, fashion duo Mark Badgley and James Mischka.

Fashion icon Diane Von Furstenberg joins Angela on the Runway to reveal the fastest challenge in Runway history. It's a race against time as the top ten All Stars have only six hours to create a colorful look for supermodel Miranda Kerr.

The All Stars take to the streets of New York to convince total strangers to part with their clothes in the name of fashion. Their muse's outfits are ripped apart and reborn in the hands of an All Star.

The eight remaining All Stars compete head to head fin a sportswear challenge for one of the four seasons. Guest judge Cynthia Rowley.

It's all about Broadway baby, when the designers compete for their Broadway debut. The award winning composer of "Wicked" Stephen Schwartz, challenges the All Stars to design an outfit for the Broadway musical "Godspell."

At the prestigious United Nations headquarters, Angela challenges the All Stars to choose flags as an inspiration for beautiful dresses. Guest Judge Catherine Malandrino.

The remaining All Stars are confronted with their toughest challenge yet; use lighting technology to create an avant garde design to be judged by music legend Pharrell Williams. The lights are dimmed for a Runway show unlike ever seen before!

To determine which three All Stars make it to the finale, the designers get a lesson in the business of fashion. The winning outfit is produced by designer Nanette Lepore and sold nationwide for charity.

The final three All Stars have just four days to create a signature collection for a VIP red carpet Runway show. After a visit to Joanna Coles at Marie Claire headquarters plus some surprise visitors to the workroom, Angela reveals the final All Stars twist.

The moment of truth arrives for three final All Stars as they present their signature collections to a VIP Runway show crowd. Guest judges include fashion icon Tommy Hilfiger. Who will claim the biggest prize in Runway history and be crowned the first 'Project Runway All Stars' winner?