Showbiz
The news will have come as a blow to the singer as she is currently battling it out for the custody of her two sons Sean Preston and Jayden James in court against ex-husband Kevin Federline.
Management company The Firm released a statement about Kwatinez's decision, saying: "It saddens us to confirm media reports that we have terminated our professional relationship with Britney Spears.
"We believe Britney is enormously talented, and has made a terrific record. But current circumstances have prevented us from properly doing our job. We wish Britney the best."
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