They moved on to circulate, and half an hour later, Roisin glanced over and saw Imogen almost bent double with laughter at something Matt had said. She straightened up, put the back of her hand to her mouth and the other on the small of his back, and Roisin felt a sharp stab of an unexpected, unnamed emotion. She looked at Matt, and he saw her. His eyes traveled down to her dress, and suddenly it felt two sizes tighter and considerably more revealing than it had done before.
