() Princess Catherine, ever the stateswoman, maintained a firm stiff upper lip despite the fact she is said to still be miffed over a slight Trump gave her 13 years ago.

In 2012, Kate Middleton (now the Princess of Wales) was photographed sunbathing topless at a private villa in Provence, France. The photos were taken with a long-lens camera and published in the French outlet, Closer.

”She had never been more mortified in her life,” a royal source told me.

To add insult to injury, Trump, who had yet to be elected, tweeted: “Who wouldn’t take Kate’s picture and make lots of money if she does the nude sunbathing thing. Come on Kate!” My source added, “The royal family never forgets a slight or an insult. Elephants have nothing on them. But for the country, Kate had to suck it up.”

As for Trump, he seems to be Catherine’s biggest fan, and upon greeting her at Windsor castle uttered, “You’re beautiful, so beautiful” to the future queen. All of which the Princess took in stride.

”Duty is always first for Catherine and the family,” my source said. “Personal feelings or humiliations can be put aside for the good of the country.”

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