"Wanna bet?" Oh, if she's daring him then she is so going to regret that!
He grins, and heads across to the stage and the song selections. He's been here before and he knows what's in their repertoire and there's one song that's just crying out to be sung to Kitty.
He starts the music, grins at her as the introduction plays, and then starts to sing, light and playful, definitely playing rather than making a big thing of it as he could, considering the lyrics.