Antonio Banderas says with a smile that he's not leaving his sometimes drug-addicted wife Melanie Griffith - who checked into rehab last week for a "routine" visit.

"She's doing fantastic and very little of what is being published is true," he tells Extra TV. "I am not going away."

Previously, Fox News reported that Griffith's entering rehab was unplanned, and the result of Banderas' putting his foot down on her addictive ways.

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