Hilary Duff Joins Cast Of 'Stay Cool'

She sings, dances, and acts! Hilary Duff has just signed on to join the cast of the big-screen comedy, "Stay Cool", with co-stars Winona Rider, Chevy Chase and John Cryer. Also in the film are Mark Polish and Sean Astin.

the coming-of-age comedy is set to begin shooting next month in Santa Clarita, California.

Identical twin brothers Mark and Michael Polish co-wrote the script, and are also producing the film. Michael will be directing. This isn't the first joint project for the brothers, who previously worked together on Twin Falls Idaho and The Astronaut Farmer.