United Kingdom, Sept. 10 -- Rosie O'Donnell found Ellen DeGeneres' denial of their friendship was "painful."

The 63-year-old star felt betrayed that her fellow former talk show host, 67, seemed to have forgotten that they had been friends for "30 years" when she appeared on Larry King Live in 2004 and insisted she and Rosie were not pals.

Rosie said on the latest episode of the No Filter podcast: "I couldn't believe it. I have photos of her holding my newborn babies. I knew her for 30 years."

Even though Rosie supported the star after she came out as a lesbian during an episode of her sitcom in 1997, she claims Ellen did not give her a helping hand after she came out herself in 2002.

Rosie added: "She was all of a sudden in the positi...