Dina Manzo and Teresa Giudice might be close on Bravo's The Real Housewives of New Jersey, but reports swirl that Manzo has betrayed Giudice and spilled some of her biggest secrets.

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Apparently Manzo and Giudice had a very private conversation with Victoria Gotta. Manzo promised not to disclose what was discussed. However, she reportedly went and told their cast mates, breaking Giudice's trust in her.

An insider told Radar Online Wednesday, "Specifically, Dina told the other ladies about the meeting with Victoria while she was on the cast trip to Miami, and Teresa wasn't there. Teresa was made aware of the betrayal after it happened and is very unhappy about it. She trusted Dina, but now recognizes that was a huge mistake."

Bravo Might Be Gearing Up To Fire Teresa Giudice

Giudice wasn't on the girls trip to Florida because her legal team decided against it due to her ongoing legal issues. She is set to be sentenced in September for serious fraud charges including bankruptcy and loan. Still, Bravo wasn't pleased with Giudice's decision to skip the trip, despite them reassuring her it would not impact her case.

"Teresa really wanted to go, but had to follow the advice given to her by her counsel."

The same insider also warned The Real Housewives of New Jersey fans to be careful of Manzo's motives. They claimed Manzo wants to take over the show as the queen bee since her sister Caroline has stepped away fromt he hit series. But her actions have left Giuduice feeling alone.

"Now Teresa feels that she doesn't have any true friends on the show, including her sister-in-law, Melissa [Gorga]."

The Real Housewives of New Jersey airs Sundays at 8/7c on Bravo.

Tags: Real Housewives of New Jersey Reality TV Bravo