Rainn Wilson, the star of "The Last Mimzy" and the US version of hit sitcom "The Office", is to headline new comedy "Girlfriend Experience". The 41 year-old came up with the idea for movie, and will play a lonely geek who hires a stunning prostitute to pretend she's his girlfriend, in a bid to make himself seem more desirable to the opposite sex.

Ivan Reitman and Tom Pollock are to produce the DreamWorks project, which is being scripted by the writing team of cousins Mark and Brian Gunn ("Bring It On Again").