Sometimes, when you see any type of relationship on screen, actors have such good chemistry that it makes it seem that they actually might be involved with each other. Sometimes, it’s actually true -- we have all heard of actors getting together behind the scenes. But sometimes, the reality isn’t so sweet. Just as we find some people in our lives that we don’t like, actors also do. And sometimes, these people end up being their co-stars, who are their friends or even lovers on screen, and that undeniable chemistry turns out to be just good acting. So, today, let’s take a look at some of the rumors or proven stories about actors who apparently hate working with each other.