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Britney Spears is once again a solo artist.
"They were fighting a lot and have not been getting along," the source says.
William Morris Endeavor Entertainment, where Trawick plies his trade, confirmed Tuesday that the 38-year-old agent is still representing Spears. A rep for the blonde-again Circus star has not yet responded to a request for comment.
Meanwhile, this isn't the first time the business-and-pleasure-mixing duo have required some time apart.