Okay, this is probably reeeaaaalllly stupid that I am hemming and hawing over this, but if it is, so be it. I don't know what to do.

Here's the deal: I am BM of a five year old girl. Her Dad and I share 50/50 every other week custody and placement. Last week my DD's SM had a baby. We arranged for DD to stay at her Dad's an extra day or two so that DD could see the new baby. She was really excited about it.