“But she didn’t look like Hermione at all. She had done something with her hair; it was no longer bushy but sleek and shiny, and twisted up into an elegant knot at the back of her head. She was wearing robes made of a floaty, periwinkle-blue material, and she was holding herself differently, somehow — or maybe it was merely the absence of the twenty or so books she usually had slung over her back. She was also smiling — rather nervously, it was true — but the reduction in the size of her front teeth was more noticeable than ever; Harry couldn’t understand how he hadn’t spotted it before.”