Do I prune my pepper plants?

I have some Sweet Mini Red pepper plants. I think they're supposed to be bushy rather than tall but do I prune them or leave them alone? Where/ what do I prune if I do have to prune them? I prune my tall tomatoes by taking off the stems that grow in the joints between the main stem and side stems, but I don't know what to do with my mini peppers. We're growing some chilli plants too, I don't know what to do with them pruning-wise when they grow either. Does anyone have any advice please?

 

There's no need to prune peppers or chillies J W Universe but if they're getting out of control you can take the growing tip out or cut the side branches back a bit. I think they're best left alone unless you run into space problems with them.

 

Thanks very much. I'll leave them how they are then.