Darcy nodded with her, and was mentally trying to plot some kind of way that he could get them both dressed without them meeting each other until then, and then she gave him the solution. Oh, good - he was somehow going to be responsible for dressing two women, then.
"Right - and just to complicate further, can she also borrow something to wear?" he asked sheepishly. He had no idea what she was even going to own that Georgiana wouldn't make strange of.