Nobody is obligated to tell their friends about the day-to-day ongoings in their job, but since Keira Knightley was an actor, they were bound to find out eventually, one way or another. As a result, the up-and-coming star was incredibly hesitant to tell them about an upcoming venture because she fully believed they’d rip the piss right out of her for signing on. In her defence, a lot of people felt the same way when the movie was first announced…