My wife invited her sisters.
Why did your wife invite her sisters?
They are also jealous of our lives, and because if those bitches will not be invited to my party they will say bad things about me to everyone
I get that if they were not invited they would badmouth you, but you should not invite people that it would hate to be invited with especially if they would cause issues or drama during the event. I would recommend you cancelling their invite even if that would backfire in the short period of time, but at least you would enjoy yourselves and the people you are going to be with in your event.
I can't do it. I have to invite those bitches. My wife would also be angry with me.
You are very kind not to uninvite them. I think it will be okay if you stay away from them during the whole party. Maybe just trying to keep the peace for your wife's sake is important to her.