White Tie Kilt Dress

[thescot]

A doublet would work quite well. Or, you could even wear a PC with a white waistcoat and white bow tie.

You'll look better than anyone else there!

P.S. A regulation doublet would look smashing with the above mentioned accoutrements.

[McClef]

The company should be referred to the wiki article.

Them being posh doesn't mean they know everything.