*Popeater.com is reporting that the catfight between "Celebrity Apprentice" rivals Star Jones and NeNe Leakes got so heated that Star had to hire her own security detail to keep the Bravo star at bay.

"NeNe is coming unhinged," a source close to Star tells the website, adding that during taping the "Real Housewives of Atlanta" star made La Toya Jackson cry and even got in the face of singing legend Dionne Warwick.

But it's her beef with Star that is particularly nasty. "Clearly, she can't get along with women, especially other black women. She is losing it," said the source.

"the new season of premieres March 6, but insiders have already told me that it gets so ugly that Star

For her part, NeNe isn't waiting for the show to begin to make known her hatred for Star. As previously reported, she made her feelings known during a visit to "The Wendy Williams Show" this week.

"I'm not feeling Star Jones, I'm sorry. I gave her a chance when I first got there, I did," she told Wendy, later adding, "I wouldn't spit on Star if she was on fire."