The actress is co-creating a signature black dress which is based on Audrey Hepburn's classic look in the film Breakfast at Tiffany's.
A source close to Zinta told The Times of India: "Her film, based on the Parisian fashion industry, will see her sport the best international fashion from local designers and across the world.
"Though all her other outfits have been designed by Surily Goel, Preity wants to sport one specific trademark outfit that she will design along with Surily.
"Depending on the response to her outfit, she might decide to come out with her own signature collection after her film releases."
Speaking about the project, the 36-year-old actress said: "It's too early to comment on the dress I am designing, but yes, I am excited to be working on the outfit for Ishkq In Paris. The look is going to be on the lines of something you'd see on runways in Paris and Milan and it's the signature dress I sport in the film."
The Heroes star confirmed that she may develop her own fashion label. "Yes! I am thinking of launching a fashion line. Hopefully it will all work out soon."
The film's director Prem Soni added: "Preity plays a chic Parisienne in the film and her look is classic yet very global."
Ishkq in Paris is a romantic comedy featuring French actors alongside Indian stars.
The actress, who launched her own production banner this year, has been learning French for the role.