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The singer/actress, who just released a new denim fashion line, will be seen helping judges Michael Kors, Nina Garcia and Heidi Klum evaluate the show's finalists, reports People.
The judging took place at a Fashion Week event in New York City. Contestants presented their collections on the runway with stars Jordin Sparks and Jamie-Lynn Sigler in the audience.
The Project Runway finale will air later this fall on Lifetime.
