The 51-year-old actress and her pal were both committed to not marrying again but once the eternal bachelor introduced her to the British human rights lawyer in 2014 she was convinced they would become husband and wife, reported Female First.
"I knew that George had found the right person. He made the right choice and so did Amal: they prove that you have to resist to the pressure of a world that wants to see you married."
The Oscar winner - who was previously wed to Jesse James from 2005 to 2010 - is happy to concentrate on her son Louis and her career rather than wait to meet a new 'Mr Right', who may pop the question to her.
Joking about Clooney's marriage, she said, "I know, he put me in a very bad situation. Now I'm the only one saying around, 'Don't get married again! There's no need to do it.' "