He lifts his hand in a somewhat bemused wave in return.

"Och," he mutters to himself. "At least it's not kitty-ears."

Jamie does tone the staring down after a minute or so, because he's trying to find a place to sit at one of the tables. Once he finds a seat, he props his elbow on the table and rests his chin in his hand. A hint of a smile develops on his face as he continues to watch Claudia perform.