Britney Spears has officially left rehab after less than a month of treatment. Spears "has been released by the Promises Malibu Treatment Center after successfully completing their program," the popstar's manager said in a statement released last night. A typical stay at an in-patient rehab program is 45 days, so Spears's month of treatment is shorter than many expected. She has been attending AA meetings and reportedly making amends over her custody battle with estranged husband Kevin Federline.
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