Kate Middleton is caught at a party with a mysterious man

Kate Middleton knows how to have fun and proof of that is the never-before-seen photo of her partying and allegedly dancing with a mystery man. Eagle-eyed British royalty fans managed to identify the Princess of Wales in the recently published postcard.

Last March 19, Mother’s Day was celebrated in the United Kingdom, which is celebrated on the fourth Sunday of Lent. For this special moment thousands of people wrote sweet messages for their moms, as Kate Middleton’s brother did.

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Kate Middleton’s younger brother, James, was no exception and last Sunday he shared a picture with his mom, Carole, followed by a loving message. The postcard that the youngest of the family chose is one from his wedding day with Alizée Thevenet.

Carole and James Middleton appear very smiling and hugging as the protagonists of the postcard, but in the background you can see Kate Middleton with a mysterious man. At least that’s what fans of royalty believe, who managed to distinguish the Princess of Wales despite appearing out of focus.

The photo was posted on James Middleton’s official Instagram account, where his followers, in addition to congratulating his mom, noticed the presence of Prince William‘s wife.