A documentary called "Controlling Britney Spears," released by The New York Times on Friday, alleges that the singer's father hired a firm that bugged her room and tracked her text messages and calls. 

During the documentary, a former employee of Black Box Security said he worked with her team for nine years and sent some of the pop star’s messages to her father, Jamie Spears, Reuters reported

Alex Vlasov alleged the company logged into the singer’s iCloud account, “mirrored” her phone and put recording devices in her room.

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Vlasov said conversations between Britney Spears and her lawyer were also monitored. 

"Mr. Yemini and Black Box have always conducted themselves within professional, ethical and legal bounds, and they are particularly proud of their work keeping Ms. Spears safe for many years,” Black Box Security President Edan Yemini’s lawyer said in a statement on the documentary.

Vlasov said he questioned the monitoring but was told the court knew about it and that it was for Britney Spears’s safety.

Jamie Spears’s lawyer would not comment on the specific allegations but said that, in general, he had the authority for his actions in the conservatorship and the court was aware of them, according to Reuters. 

"Jamie's record as conservator — and the court's approval of his actions — speak for themselves," the attorney, Vivian Thoreen, said.

"Controlling Britney Spears," which premiered on Friday on FX and is streaming on Hulu, is the latest documentary on the pop icon's fraught relationship with her father and her "prison"-like conservatorship. The documentary features "exclusive interviews with members of Spears's inner circle who had intimate knowledge of her life under the conservatorship."

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The allegations in the media project come after Jamie Spears agreed to end his role in her conservatorship earlier this year. Britney Spears’s lawyer said that the conservatorship should end "completely" this fall.

"Intercepting or monitoring Britney's communications, especially sacrosanct attorney-client communications, represents a shameful and shocking violation of her privacy and civil liberties," Britney Spears's lawyer Mathew Rosengart said in a statement regarding the allegations in the documentary. "Placing a listening device in Britney's bedroom would be particularly disgraceful."

The conservatorship gained national attention this year after the wide success of the Times's first documentary on the singer, "Framing Britney Spears." 

Later, Spears gave bombshell testimony in court alleging that the conservatorship was abusive. 

The Hill has reached out to Black Box Security and Jamie and Britney Spears's lawyers.