See How Spoilers Are Controlled On The Star Wars: Episode VII Set

With a movie as big as Star Wars: Episode VII, on set spoilers would have to be your biggest concern. And while JJ Abrams and his damn Mystery Box are usually pretty good at keeping his productions spoiler free, he seems to be having a little fun this time round, with producer Frank Marshall, husband of Lucasfilm president Kathleen Kennedy, tweeting the below picture of a propaganda poster, part of artist Cliff Chiang's Imperial Propaganda series, urging people to keep shtum on what is taking place on the film's London set. Check it out below.

Star Wars: Episode VII hts the big screen December 18th 2015.