When you have to wear the formal wear, the rule is: If you get lost, do not dress down. Dress up.
At the most formal occasion like yesterday, the organizer should have given specific instructions.
I don’t say who she was, but one person’s inferior outfit stood out in the most formal occasion. Perhaps she was more embarrassed than anyone who watched her. I was wondering why such a situation happened at one of the most international formal occasions.
We express respect by formal wear. So you don’t need to dress down nor dress casually for the special foral occasion. Pleasae do it with your private party mates.
I do not blame her. Instead, let the embarassing example be a lesson to ourselves.
If you are not sure what to wear at the formal occasions, please count on this book.