What should I do?!

Well my “best friend” randomly blocked me on Facebook. She was my maid of honor. We have been friends for 5+ years. Never once did we get into an argument or anything. She told me happy anniversary mid September. I got on Facebook tonight and realized she blocked me, my husband and my sister. Not only that, her entire family including her extended family blocked me...

I know none of you know why she did this because I don’t even know why. But I’m trying to figure out how to deal with it. I’m extremely upset that she went to this extent. I’ve done more for her than I’ve done for my own family. I literally fed her multiple times a week til about a year ago almost 4 years straight. I gave her so much. I literally was constantly giving in some way. Always there for her. I truly thought I was a great friend to her. Now my eyes are open that she was clearly just using me. I will never be her “friend” again.. I can’t stand the thought of all these people thinking I’m a terrible person when I really haven’t done anything.

Now my dilemma. Do I text her so I can try and get some closure? Or not? It’s eating me. I don’t know what I did.

Please don’t be rude. I’m already in my feelings.

Update: I feel like she clearly doesn’t want me apart of her life. I feel like I’m not welcome at her house so I will not just show up at her door step. Also there is no way she’s sleeping with my husband.

Thank you for all your opinions.