X17 can report that Britney Spears has check in to the exclusive rehab center Promises in Malibu. X17 has reporters and photographers on the scene and our cameras have caught a glimpse of Britney in the back yard of the center -- we'll have that coming soon!

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The list of celebs who have sought help at Promises includes Matthew Perry, Robert Downey, Jr., Ben Affleck, and many others. The program is said to cost $33,000 a month.