Harry Potter and the Goblet of Fire:
"It was Hermione.
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..."