Britney Leaves Rehab ... Not for Long!

3/1/2007 12:17 PM PST BY TMZ STAFF
Britney Spears took a break from rehab last night, for more rehab.

Sporting a wig underneath a brown hat, Britney was reportedly heading to an AA meeting in Santa Monica last night, smiling all the way.

We're told that Britney, who was escorted into the support group by her assistant, returned to Promises treatment center right after the meeting.