Natalie Portman and Ashton Kutcher have reportedly signed to co-star in romantic comedy Friends With Benefits. Ghostbusters director Ivan Reitman is helming the picture for Paramount, reports Variety. The film, written by Elizabeth Meriwether, apparently involves the differences between forming a sexual relationship and a lasting emotional bond with another person. The studio is eyeing a January 7, 2011 release date for the project.

Source: Digital Spy