One week after John Mellencamp publicly split from his wife -- the rock legend and maybe-GF Meg Ryan hit a local market in NYC yesterday ... for a his-and-hers grocery run.
The couple has reportedly been dating on the down low for the past couple of weeks -- even spending some QT together on Martha's Vineyard recently.
"Two American kids doin' the best they can ..."
Meg Ryan & John Mellencamp -- Couples Marketing
1/4/2011 3:15 PM PST BY TMZ STAFF
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