Arnold Schwarzenegger Wears His WEDDING RING in Public

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Arnold Schwarzenegger rocked his wedding ring out in public during the holidays  -- another sign that his marriage to Maria Shriver ain't as dead as it once seemed.

Maria has been having second thoughts about pulling the plug on the marriage -- despite Arnold knocking up the family maid -- because of her deeply held religious views.

Arnold hadn't been photographed in his wedding band in months, but over the past few days -- Arnold dusted off the ring and reminded the world he's STILL a married man.

Arnold was vacationing with his sons over the holidays -- but it's unclear if Maria was there too.