Taking things at face value and not letting a lack of familiarity with things get in one's way are very much things that Phryne can understand. She doesn't always do so herself, in both cases, but she can certainly understand doing so all the same. Not to mention she's perfectly willing to keep explaining besides, should Vanille want. It's not like it's any great hardship, after all, and she certainly doesn't mind in the slightest besides.

"We'd need to have something to dress up in, but other that I don't see any reason why we couldn't."

It might take a little more work here than it might anywhere else, yes. But that doesn't mean that it's going to be particularly hard, either.

"And that depends on the occasion, of course. Although the last time I was at a party like this, I was Cleopatra, Queen of the Nile."