Idiom of the day :- Dance attendance on someone

Usage, examples and definition of the Idiom :-

It used to be the custom for a bride at her wedding to dance with every guest – no matter how tired she was. That’s the origin of this expression, but it now means to be at the service of someone to carry out his or her every wish. ‘I suspect that Ray is interested in Fiona. Look how he is dancing attendance on her.