Surprise Wedding- short guest list

So I have decided to have a surprise wedding. We're going to tell our parents the week of, bridal party the night before, and everyone else will find out when they get there. (backstory- we've been together 20 years, have kids and a house already, so everyone is pretty much waiting for this damn ceremony that I finally gave into recently) We're keeping the list to 50 guests. I'm certain there will be people with hurt feelings so here's my idea....... I want to have someone takeover my facebook page and go live for all my family and friends who I'm not inviting. So like a virtual invite. Is that a good gesture or do you think that's making it worse?