Mohamed Hadid was a hot topic on last night's episode of The Real Housewives of Beverly Hills.

Photo: 'RHOBH' Yolanda Foster's Husband David Attends Gigi Hadid's Fashion Show

During a cast dinner, Lisa Vanderpump revealed that Hadid, her longtime best friend, didn't believe his children were suffering from Lyme disease as their mother, Yolanda Foster, had claimed. But what is he saying now?

“I do not wish to make public my family’s private matters, but I would like to make it clear that I completely and unequivocally support my children and their mother," Hadid wrote on Instagram on Tuesday night. "I can only imagine that my response to a question at dinner asking how my kids are doing with ‘fine’ was misconstrued. I have too much respect for all 5 of my children to speak about them publicly in a restaurant or otherwise. I will not speak further on something that should be put to rest now."

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Three years after her own Lyme disease diagnosis, Foster, who has starred on the Bravo reality series since season three, announced that her two youngest children, Bella and Anwar Hadid, were also suffering from the illness.

However, during last night's show, Vanderpump, a close friend of the family's for years, seemed to have no idea about the kids' health issues, and her co-stars appeared a bit taken aback, as well.

For more of the Foster/Hadid family, tune into The Real Housewives of Beverly Hills season six on Tuesdays at 9 p.m. on Bravo.

Tags: yolanda foster mohamed hadid Bravo Reality TV lyme disease The Real Housewives of Beverly Hills