MIL throwing baby shower

So my mother in law and I don't really have a relationship. So when she told my husband she wants to do a baby shower I was a bit apprehensive. I feel like she's throwing it for her son, she runs all the ideas by him. I have no kind of relationship with his family, so I'm not looking forward to having a baby shower up there. I kind of don't even want it, but I know we could use the extra stuff. Are these pregnancy hormones making me overreact?