Barbara laughed, but Fanny stood looking at her doubtfully.
"What in the world are you laughing at, Barbara Wallace?" she demanded.
"How would you define, or describe, an 'unexpected' costume?" asked Barbara.
"Oh," replied Fanny, "is that what amused you? I meant something stunning, something that would make the people talk for weeks, something—"
"Dear me, don't go on like that, Fanny, it's too horrible, too impossible. I have an idea for a costume, but—"
"Well, tell me what your idea is."
"But I'm not sure yet. When—"
"Please, Barbara—"
"But, Fanny, I don't know myself. When I do—"
"I promise not to breathe a word," persisted Fanny, coaxingly.