Chris Brown was all smiles during his day away from lockdown anger management rehab ... pitching in at a charity toy drive for XMAS.
Chris didn't misstep -- not even once -- during the event ... where people come with unwrapped toys for underprivileged kids.
The judge in the Rihanna beating case ordered Brown to stay put in the rehab facility for 90 days, but honchos at the joint felt mingling on Melrose would actually help him by showing how satisfying it is to participate in non-violent activities.
Anger Free During Rehab Field Trip
12/23/2013 12:50 AM PST BY TMZ STAFF
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