Britney Spears’ lawyers are accusing her former manager, Sam Lutfi, who is suing the pop star and her family for breach of contract and defamation, of "wrongful retention" of Brit's drug test results in 2007, RadarOnline.com is exclusively reporting.

The results were ordered sealed as Britney was embroiled in a bitter custody dispute at the time with ex-husband, Kevin Federline, and Lutfi wants to use them as exhibits in the upcoming trial — however, Team Spears wants to ensure that the information isn't shown to jurors.

EXCLUSIVE DOCUMENTS: Britney Spears Accuses Sam Lutfi Of Unlawfully Retaining Her Drug Test Results

Britney Spears’ former manager, Sam Lutfi, has been dealt yet another legal setback in his ongoing lawsuit against the pop star and her parents, for breach of contract, RadarOnline.com is exclusively reporting.

Lutfi had wanted access to results of drug tests Britney took in her past custody battle with ex-husband, Kevin Federline, as well as baby monitor reports, but has been denied.

EXCLUSIVE DOCUMENTS: Sam Lufti Suffers Another Setback In Britney law Suit

Lindsay Lohan has passed up to 10 random drug and alcohol tests in the two weeks after she left the Betty Ford Center, RadarOnline.com has exclusively learned.

The 24-year-old Mean Girls star has had to submit to a series of spontaneous tests and has passed each one that she was forced to take so far, according to her father Michael.

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