It looks as though Ramona Singer isn't too comfortable with sharing the spotlight these days. Rumor has it that the Real Housewives of New York star is trying to "freeze out" new girl Dorinda Medley from being on the show.

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Radar Online reports on Thursday that Singer is feuding with Medley for screen time and is even going as far as asking producers to cut her out of the show altogether.

A source said, "Ramona is drawing a line in the sand, and demanding that Dorinda not be made a full-time housewife. It's bad enough for Ramona that Dorinda at this point will have a recurring role. The ladies had been close friends before Dorinda joined the show, but now Ramona is completely freezing her out."

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What's more, Singer is supposedly jealous of Medley and is scared that she might permanently replace her on the show.

The insider added, "Ramona is insanely jealous of Dorinda because of her wealth and social status in New York society," the source continued. "Out of her mind with craziness, Ramona has even told Bravo to cut Dorinda out of the upcoming season!"

Another insider says that Medley has been wanting to be on the show for quite some time now and only used her friendship with Singer as a way to get her foot in the door.

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