Hermione stared at first Blaise and then at his date and a giant smile spread across her face.  After the horrible revelation about Pansy and Jean — what was she going to do about him? — she was prepared to find delight in anything.  She'd been delighted that Draco had been just as amused as she was by the inane lighting choices of Il Corvo.  But the discovery of the identity of Blaise's mystery girlfriend, the one who despised Goyle and seemed to be away a lot, did more than delight her.