Not responding is good, not while your response will be emotional.
You don't want to be a doormat, understood; there is a fine line between not being a doormat and being an as$hole though...actually it is not that fine of a line.
You could view this as an opportunity for her to see you and interact in a good way.
Or you could view this as an opportunity to punish the harlot for her sins.
Experience is a brutal teacher, but you learn. My God, do you learn. - C.S. Lewis
Life is usually all about how you handle Plan B. - Jack3Beans
Listen without defending; Speak without offending - FaithinAK