My Mother crossed the line again?

Tasha
So I'm extremely frustrated with my mother. We used to be extremely close that it was scary, but ever since I broke up with a guy from her work she's been acting strange. She knew I was going to brake up with him and told me to do it cuz I wasn't happy. Then I find out that they've been texting nonstop since.
Now if that isn't bad enough she can't stop talking about him and a lot of other shit. I haven't seen him since we broke up.
She's having a party at her house that I wasn't invited cuz he was going to be there. Already fucked up right? Gets better. She texts me today before I get to work that "I can come to the party cuz he said it was ok". So I need permission to see my own mother?!
Is it just me or is this fucked up?