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Details are emerging about the downfall of Chris Brown's relationship with Karrueche Tran. 

Sources tell that Karrueche pulled the plug on their romance after recently visiting the singer while he was in court-ordered rehab.  During the visit, Karrueche reportedly discovered that Chris had received inappropriate messages from other women. 

The break up apparently came before Chris violated the rehab facility's rules by supposedly holding hands with a woman at the center.  After breaking other rules he was kicked out of rehab last week and quickly arrested.  

Chris will remain behind bars until his April 23rd probation hearing, where a Los Angeles judge will make a ruling based on the result of his Washington D.C. trial for misdemeanor assault.  That trial begins on April 17th.  If he's convicted in the nation's capital, the Los Angeles judge could jail him for up to four years for violating his probation in the 2009 Rihanna assault case.  

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