Greta hums in noncommittal acknowledgment. The answer doesn't really surprise her, both because of what little she's gathered about Jyn so far, and because she doesn't otherwise know Jyn well enough for surprise to be justified in the first place. She doesn't know that she can relate to that sort of sartorial indifference, but she's in no position to object to it.

"I do, yes," she answers. "I thought I'd try something different this time -- or different for me, anyway." She shrugs, aware that this might qualify as boring and not wanting to delve too deeply on that account. But she’s grinning a bit, too; it’s exciting to imagine what kind of reception she might get. "It's sort of nice to have a party as an excuse, otherwise I don't know that I'd've had the nerve." A suit is only worth investing in if you've got someplace to wear it, after all.