"But Hermione...," Sirius started before catching her glance over his shoulder. "James," he turned around and gave his best mate a wide grin. "Looks like we've been caught, mate."

"Hermione," James said with a wide grin, his own flask slipping back into his pocket. "You look lovely as ever."

Sirius looked at Hermione and held out a hand. "Now that you've caught us and kept us from spiking the punch. Would you care to dance?"