There’s a reason why the Caribbean island of Mustique has long been a favorite of royals and celebrities alike—and mostly, it boils down to privacy. In addition to being Princess Margaret’s No. 1 vacation spot,

Princess Kate shared some very personal thoughts about her then-boyfriend's outfit, according to a lip reader.

I couldn't believe it." Jason went on to explain that the conspiracy theories took a toll on the royal couple, who hadn't yet told their kids about Kate's diagnosis. "The problem was that all this crazy conspiracy theory stuff kicked off in the background,