Jennifer Fessler seemingly hit back hard after Ciara Miller claimed on social media that the “Real Housewives of New Jersey” alum “slept with” West Wilson.

“In all seriousness…and while I can’t help but be a little flattered, it is not nice, nor is it ok, to post something categorically untrue and defamatory on social media (regardless of whatever rumors or apparent ‘evidence’ led you to that conclusion,” she wrote via Instagram Stories on Saturday.

“That is the definition of libel. If it were true I would have no recourse,” the Bravo star continued. “Because it’s a lie, this can get more complicated. Having said that, I hope we can rectify this.…