Project Runway: Karlie Kloss announces winner of season 17 with Diane von ...

Karlie Kloss crowned the season 17 winner of Project Runway on Thursday with fashion icon Diane von Fürstenberg serving as a guest judge.

The 26-year-old supermodel wrapped her first season as host and judge by announcing Sebastian Grey, 31, of Fort Lauderdale, Florida as the winner.

Hester Sunshine, 34, of Santa Fe, New Mexico, finished in second place and Gary 'Garo Sparo' Spampinato, 45, of New York City, came in third place.

Supermodel host: Karlie Kloss announced the winner of season 17 of Project Runway on Thursday on Bravo

Supermodel host: Karlie Kloss announced the winner of season 17 of Project Runway on Thursday on Bravo

Grey took home the $250,000 grand prize, plus $50,000 toward his own studio, a mentorship with the Council of Fashion Designers of America, a feature in Elle Magazine and a capsule collection from Nineteenth Amendment.

Fürstenberg, 72, while critiquing Grey's Reminiscence collection inspired by his memories of life in Colombia said all his pieces had a 'ying/yang' quality.

The Belgian fashion designer known for her wrap dress said that Grey's collection was 'very casual, very streetwear, and then extremely refined.'

Karlie during the final runway show noticed some sloppy zipper work by master corsetier Spampinato when he presented his Detour Through My Cosmic Mind collection. 

Guest judge: Diane von Fürstenberg served as a guest judge on the season finale

Guest judge: Diane von Fürstenberg served as a guest judge on the season finale

Catwalk star: The 26-year-old supermodel walked down the runway while hosting

Catwalk star: The 26-year-old supermodel walked down the runway while hosting

The moment: Sebastian Grey after being named the winner was hugged by finalists Hester Sunshine and Gary 'Garo Sparo' Spampinato

The moment: Sebastian Grey after being named the winner was hugged by finalists Hester Sunshine and Gary 'Garo Sparo' Spampinato

Victory drink: A bottle of champagne was handed to winner Sebastian

Victory drink: A bottle of champagne was handed to winner Sebastian

'The seam on the zipper of that dress is literally a mess,' she leaned over and said to fellow judge fashion designer Brandon Maxwell.

Sunshine earned high praise from Fürstenberg for her Cyber Coco collection of contemporary avant-garde wear.

'She's talented,' Fürstenberg said while watching models strut the runway in Sunshine's funky designs. 

Show mentor: Christian Siriano congratulated all the designers after serving as mentor for the first time

Show mentor: Christian Siriano congratulated all the designers after serving as mentor for the first time

Second place: Hester finished in second place on the fashion competition show

Second place: Hester finished in second place on the fashion competition show

Third place: Garo finished in third place after the final runway presentation

Third place: Garo finished in third place after the final runway presentation

Fürstenberg later during the judging portion praised Sunshine for her bold presentation.

'She is this young women with both anger and passion and love and you can see it,' the designer said.

'The humor of it all really says ''F*** you''. That's what I love. If you don't win, you can work for me,' Fürstenberg told Sunshine.

Bold statement: Hester made a bold statement with the first dress in her collection

Bold statement: Hester made a bold statement with the first dress in her collection

High praise: Fashion icon Diane said that Hester was talented

High praise: Fashion icon Diane said that Hester was talented

Elaine Welteroth and Nina Garcia both also praised

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