Okay, so Britney didn't really leave rehab, she just went to an AA meeting in Santa Monica -- her first field trip outside of the treatment facility, that we know of, and Britney was in good spirits and looking wonderful! Britney was smiling and happy and -- I may be going out on a limb here -- seemingly happy to see us!

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Britney Spears BSpearsSMILE022807_5.jpgcheck out the writing on her hand -- says 'PUSH'

more pix inside ...