Dina, a former TV news reporter, 48, revealed that she and Clint remain close but have been living separately for some time, reported Us magazine.
However, when Clint's manager was contacted about the split, he said, "I know nothing about that".
According to reports, the couple split more than a year ago, in June 2012.
"Clint fell out of love with Dina a long time ago. The separation was amicable," a source said.
Married since March 31, 1996, Dina and the "Million Dollar Baby" director have one daughter together, 16-year-old Morgan.
