Britney Spears's attorney says the singer has been passing her court-ordered random drug tests.
"She's passed her random drug tests," her lawyer, Sorrell Trope, tells PEOPLE exclusively. "There's been more than one. They came up negative."
Trope said the singer's chances of regaining 50-50 custody of sons Sean Preston, 2, and Jayden James, 1, are "good, based on the overall circumstances of the case."
A spokesperson for the court would not comment on the drug tests. Kevin Federline's lawyer Mark Vincent Kaplan was not immediately available for comment.
As far as working with her court-mandated parenting coach, Trope stated, "As far as I know, there have been no complaints."
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