Cory Monteith appeared the picture of happiness -- giggling and laughing with girlfriend Lea Michele -- this just a few weeks before he was found dead in a hotel room ... possibly of an overdose.
In this video, shot about a month ago at LAX, Cory and Lea arrive hand-in-hand looking happy and healthy. Even our photog tells the couple, "You look like a million bucks."
At the time, Cory had recently completed a month-long stint in rehab ... for admitted substance abuse issues.
As TMZ previously reported ... Cory was found dead in a Vancouver hotel room Saturday, alone, after spending Friday with friends. There are reports drugs may have played a role.
An autopsy is scheduled for Monday. Cory was 31.
Happy & Healthy
Just Weeks Before Death
7/14/2013 2:00 PM PDT BY TMZ STAFF
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