Sean Penn and Robin Wright are back together in NYC ... although it's probably not a romantic getaway.
The exes, who divorced back in 2010, flew into JFK Airport Tuesday morning, and walked out together. They also left in the same SUV.
Sean does have a good track record when it comes to making peace with his exes -- see Madonna -- but this one seems to be more related to co-parenting.
Robin and Sean's 23-year-old son, Hopper, lives in NYC and recently opened up about a stint in rehab. He's publicly thanked his father for helping him clean up.
So ... mom and dad TLC mission, or rekindling?
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