She got to know that we got wedded in 2015

Hello Mamalettes and Papalettes. Please, I need your advice on this issue. Back to 2013, my hubby and I then had a misunderstanding when courting and he ended the relationship. I got to know that it was because of a lady abroad he intends to date. I do saw their comments on each others posts on Facebook but they have not seen one on one. He later came back begging but I don't really know what transpired between them. I accepted him back but this lady was still disturbing him. I later warned her to keep away from us but she assured me that there is nothing I can do to the situation on ground. She got to know that we got wedded in 2015 and she back off with my thought. Today, my hubby informed me that she saw our baby shower online and she promised to come and congratulate us, i never give it a thought that they can still b communicating and i told him to stop joking. In d Evening, he informed me that a male friend of his is coming over and i even prepared his dinner wt ours. On opening d door for this guy, i discovered he was with this lady and even had the effrontery to introduce her as his girlfriend. Immediately my brain struck and i called out her full name, d lady was surprised. My hubby entered d kitchen with me and said how come i knew her when i have not seen her before and that he was surprised how his friend nd d lady got to know each other as if am a dummy . I kept mute nd entered my bedroom. I feel lyk calling that friend of his and give him my piece of mind and trash it out with my hubby Pls, what should i do before i act rash.