James' gaze follows her as she crosses the room, and he notices the gold fabric just before she reaches and picks it up. He can tell right away by the way it rests on her arm that the fabric is likely very fine, and the sparkling gold color is striking, though he can't quite tell right away how the dress itself cut.

"It's quite eye-catching." Perhaps an understatement, but the lilt to his tone probably makes it clear he very much likes what he can see of the dress. "And thematically appropriate, yes. Have you tested the fit?"