Historical references - cultural ones, at least - were somewhat lost on Jenny; as far as she was concerned, Marie Antoinette might as well have been some social acquaintance she'd yet to meet, while honestly one culture's posh was another's embarrassingly kitsch. Delicate, beautiful things did tend to indicate prestige, though, and her eyes widened a little when she saw that cake. Delicate, beautiful things that were made solely to be eaten were pretty much the definition of pointless extravagance. Not something she ever would have expected when she'd emerged from the progenation machine ready to fling herself into battle with not even a name to distinguish herself from the other foot soldiers. "It's beautiful!"
For a long moment she almost didn't register the meaning of the Doctor's words as she took in the hanging crystals, the costumes, the music, the rest of the food... then she turned to give him an almost suspicious look. "There's more than this??"