Entertainment TV Zendaya Joins 'Project Runway' as Season Finale Guest Judge The actress will join returning judges Heidi Klum, Tim Gunn, Zac Posen and Nina Garcia By Natalie Stone Published on September 8, 2016 06:20 PM Share Tweet Pin Email Photo: David Livingston/Getty Zendaya is in! PEOPLE can exclusively reveal that the actress and singer will be joining the judge’s table on the upcoming 15th season of Project Runway, taking a seat as a guest judge on the Dec. 22 finale. The Spider-Man: Homecoming star will join a lineup of fellow A-listers who will offer their constructive criticism to the designers each week on the Lifetime fashion competition. Returning judges Heidi Klum, Nina Garcia and Zac Posen, along with mentor Tim Gunn, are also welcoming Priyanka Chopra, Emily Ratajkowski, Camilla Belle, Nina Dobrev, Jaime King and Savannah Guthrie this season. The upcoming season will see 16 new designers compete for their chance to make a mark on the fashion world and win $100,000 to launch their business, among other prizes. Season 15 of Project Runway returns Sept. 15 at 9 p.m. ET on Lifetime.