"Here's why you weren't invited -- because it was all current housewives [who] were invited and it was thrown by the five current housewives," Cohen responded.
Cohen said he texted Zolciak during the party to say he wished she was there. He explained he didn't invite any former housewives because the guest list would have grown too long.
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"It's funny 'cause I heard from Jill Zarin the other day and she was like, 'I would have loved to been at your shower.' I go, 'You know what, Jill? I would have loved for you to have been at my shower,'" the star said.
"The problem is, look, I would have loved for Caroline Manzo to be there, too..."
Cohen welcomed Benjamin via surrogate this month.
He recounted his son's birth in the Feb. 25 issue of People, saying Benjamin was "so alert" but "calm" in the delivery room.
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