However, Harrold said he's noticed one area in which Prince William differs quite a bit from his grandmother. "The late Queen always used to say that she put monarchy over family," he said. "Admittedly she did occasionally put family first in ways that contradict this, but she did say it often. I think William is very different."

The veteran royal reporter was with William on royal tour in Malaysia when the photos were leaked, and had never seen him "so angry"—saying his jaw was "clenched" and he could "barely contain his fury."