Taste and if your dip needs more mustard, or anything else for that matter, add it
SELF: 100% Polyester LINING: 97% Polyester 3% Spandex
Additionally, I definitely recommend you wear a belt with this one, because it draws attention to the beautiful ribbing on the dress
Go with what you love even if it isn't traditional
Even Barack Obama, a man surely not short of advisers, slipped between the two tribes: traditional for his first White House black tie dinner, but not before experimenting with President as Waiter (a black business suit with a standard black silk tie), President as Prom Date (the same, but this time with the faux pas of a white bow tie), and President as Gangster (the same, but with a standard white silk tie)
As such, people are getting locked into their first perception, because the brain is trying to help them perceive the object in view, not try to help them interrogate the nature of light and color