Project Runway All Stars

Project Runway winners from the US and around the world compete in the first ever fashion world championship. With guest judge Debra Messing. Season Premiere.

Project Runway winners worldwide design sophisticated graduation party outfits. Sofia Carson from Disney's "The Descendants" joins the judges.

Season winners face the dreaded Unconventional Challenge on-board an airplane. Tamron Hall and Martha Hunt guest judge.

International All Stars create outerwear from underwear by transforming corsets into runway looks. Rebecca Minkoff and Olivia Culpo guest judge.

The all winners season continues with high fashion inspired by zoo animals for a wild night out. Peyton List and Joan Smalls guest judge.

Wendy Williams, Danica Patrick and Lily Aldridge join the judges for red carpet fashion using metallic fabrics and unique textures.

Willy Wonka inspires the designers to create new inventions in fashion for an avant-Â_garde runway. Andrew Rannells and Anna Camp guest judge.

The world championship heats up as Asia Kate Dillon joins the panel to judge gender-Â_neutral streetwear that can be worn by anyone.

The All Stars battle extreme weather on and off the runway for resort wear that transitions from one climate into another. Cynthia Erivo and Reem Acra guest judge.

Nina Garcia challenges season winners to design modern ball gowns in luxurious silk. Fashion legend Iris Apfel joins the judges.

The remaining All Stars create fashion for modern families to secure their place in the finale. Marie Claire's Editor-in-Chief Anne Fulenwider judges.

Actress Andrea Riseborough helps the judges crown a world champion as designers produce runway collections in front of New York's fashion elite. Season Finale.