O'Connell, 24, is convinced the 79-year-old actress, whose husband Michael Williams died in 2001, shares his feelings, reported Contactmusic.
"I fancy her. I really fancy her. I think she fancies me. I bought her a bottle of Moet (champagne) and she kissed me on my cheek. Then she said, 'Goodbye darling boy.' Can I quote something else she said: She turned to me and she went, 'Sock it to 'em, Jack,'" he said.