So a childhood friend has offered to host a baby shower with her grandmother/aunts that I have also…

So a childhood friend has offered to host a baby shower with her grandmother/aunts that I have also grown up with...but I'm not super close with since I moved to a different state fairly young...but anyways, it is super sweet of them to do that! So my question is, would it be weird to invite a bunch of people they don't know to come? I'm not sure exactly how all that works...