Sorry I wasn't on my phone as I was greeting all the other guests.

If you blow up on her in the group chat, it might be satisfying to you, but then you both look crazy.

Ignore, ignore, ignore. And now you know she’s a little crazy so you can keep your distance- be polite & distant.

Some people have personality disorders. Biology.

Why couldn't she just drop of the 7yo? Why was bringing the sibling necessary? I wouldn't have accommodated like her this since it wasn't necessary in the first place. But know you know she's a PITA and can avoid in the future.