In a startling turn of events, Prince Harry may be wielding a secret weapon against his estranged sister-in-law, Kate Middleton. Sources claim he possesses damaging information that could further escalate the ongoing royal feud.

According to insiders, the Duke of Sussex allegedly possesses compromising information about the Duchess, information she would "definitely not want to come out."

Despite once referring to Kate as "the sister I’d never had and always wanted," it seems the dynamics have shifted.

The source, speaking to OK!, revealed that this revelation has prompted Princess Kate to watch all of Prince Harry and Meghan Markle’s explosive interviews and documentaries as a "declaration of war," even though palace protocol dictates a lack of response.

The insider shared, "Meghan and Harry have no qualms about publicly attacking the royals, and because palace protocol is to not respond, Kate can’t fight back.

She’s made it clear that there are two sides to the story."

Adding to the tension, the Duchess of Cambridge has reportedly taken a firm stance against any reconciliation efforts from her husband, Prince William.

The source claims that Kate has warned Prince William against forgiving the Sussexes, stating that the couple "may regret it" if they persist in pushing their chances.

"While William is willing to extend an olive branch for the sake of the family, Kate has drawn a hard line in the sand. Forget about apologizing — she’ll never forgive Meghan and Harry. And if they push her too far, they’ll regret it," the source emphasized.

As the royal drama continues to unfold, the alleged secrets held by Prince Harry remain a point of speculation, leaving royal enthusiasts on the edge of their seats, eager to uncover the mysteries surrounding this high-profile feud.