Bethenny Frankel’s Ex ‘RHONY’ Co-Star Carole Radziwill Dragged Into Nasty Custody Battle Frankel confronted with Radziwill’s vicious name-calling on the stand.

Frankel is under fire!

Bethenny Frankel’s ex co-star Carole Radziwill was dragged into her nasty custody battle in court RadarOnline.com has exclusively learned.

As Frankel fought her ex-husband Jason Hoppy over their daughter Bryn, her former friend turned enemy on The Real Housewives of New York City became a subject for her on the stand.

Denying all knowledge of Radziwill’s biting words, Frankel was confronted with statements made by her ex-RHONY co-star as she waged war against Hoppy.

Frankel accused Hoppy of harassing her for years via email, text messages and phone calls, which led the lawyer to ask her about her relationship with Radziwill, who ultimately left the Bravo show on which they starred together after getting in a huge fight with Frankel.

Earlier in court, Hoppy’s attorney was shut down after a line of questioning about Frankel filming with a therapist about her then-boyfriend Dennis Shield’s death on RHONY.

She insisted that her words were regularly misconstrued on the show.

“You don’t understand reality television and how it works,” she snapped at Hoppy’s lawyer. “You’re talking about taking one hour from a 40-hour taping, and condensing it down. So many things are said, and things are edited out and taken out of context.”

The judge took her side, telling Hoppy’s lawyer: “If you want to go down that road, you’d have to get a subpoena for us to watch the show and since it is edited you would have to get the uncut version, and that could delay the trial significantly. I don’t think that’s a route you want to go and I don’t think it is necessary.”

Scroll through Radar’s gallery to see the vicious cat-fight between Frankel and Radziwill brought up during her court date.