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The untitled show will challenge young fashion designers to create outfits for several celebrities, much like the popular American show, "Project Runway."
Rihanna's role will mostly be behind the scenes, but she will make guest appearances from time-to-time.
The winner will design an outfit for Rihanna to wear in July for her performance at the Wireless Festival in London.
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"I have been very fortunate to work with some truly amazing designers and stylists throughout my career, and they have been instrumental in making sure my creative vision reaches the stage," said Rihanna in a statement. “I am excited to follow the journey of our aspiring contestants and see how their individuality influences their efforts during the course of the show."