Help! Wardrobe dilemma.

Normally my life as an author involves clothing choices. Will I wear the black jogging bottoms today or the grey? Split-second decision and move on.

However, I now have a wardrobe-related quandry and I need some help. (Husband is no help. He thinks I look nice in everything.) For this kind of thing you need girl advice.
Anyway, here's the skinny…

I had my outfit all planned out for Harlequin's party in New York during the RWA conference in a couple of weeks, and then when the invite...