Shocker: Britney's back in rehab.
Update: Apparently quitting smoking is not part of the rehab.
Update 2.21.07: Out of rehab. For what it's worth (or not), the National Enquirer is reporting that Britney attempted suicide by throwing herself in traffic and was "saved" by a staffer and then threatened to OD on Xanax and was taken to the doc. According to the NE, the drama started on Valentine's Day when what Britney thought was to be a reuinion with K Fed, turned in to an intervention during which Kevin warned her that she would fail a drug test and he would get custody of the kiddies.
Update 2.22.07: Third time's a charm Brit's back in rehab. Emergency hearing cancelled.