Gemma Arterton eyeing collaboration with actress sister

British actress Gemma Arterton is hoping to collaborate with her sister on a writing project. The Quantum of Solace star is eyeing a move behind the scenes, and wants to work with her actress sister Hannah.
Hannah, who stars in new movie Walking on Sunshine, tells Britain’s Daily Telegraph newspaper, “We would quite like to write something together, something that is really our own… That is something we are thinking seriously about.”