The "Gladiator" star told People magazine Friday that Urban's wife, actress Nicole Kidman, was so enamored with his son that she jokingly hinted at a possible prearranged marriage with her 2-year-old daughter, Rose.
"Nicole had one look at my younger son Tennyson, and looked up at me and said, 'I'm a great believer in arranged marriages,'" Crowe said during a "Body of Lies" promotion event. "I believe she made the connection between Sunday and Tennyson now -- so Tennyson is already engaged!"
The father-of-two told People that having children with his wife, Danielle Spencer, has been a "complex" experience he thoroughly enjoys.
"It's the most fantastic thing I've ever experienced," Crowe said, "and it continues to get more fun and more complex with every day."
2014: The Year in Music [PHOTOS]