It's almost there. SO close! I've only got a few things to do before delivery tomorrow morning.
The wrinkles are caused mostly by the dress being pulled forward by her bust. To help keep the back in place, I'm going to add a stay at the empire seam. Hopefully that will do the trick.
Here's the detail of the trim:
The changes I need to make tonight are to add a band to the bottom of the dress (in leiu of trim, of which I do not have enough), add the stay, and give it a really good press.
Oh yeah, then I need to figure out what I'm going to wear to this party.