"I'm not the one making the decisions," Scorpius, who is trying not to grin too widely at the slip, says as much in a stage whisper to Draco with a finger pointed at Cepheus. "He's clearly the one in charge here."

But while he has his father's ear, Mia seemingly handling the baby for now, he lowers his voice to add,

"Er, could I talk to you about something though? Later, I mean, when you've got the time."