William kept a secret from Kate for four years: Rose, his daughter, who is now a potential heir to the throne. This revelation has shocked many as Rose is now in line to potentially become a future monarch. The news has caused a stir in royal circles and among the public, as the truth was hidden for so long. The article highlights the secretive nature of the royal family and the implications of this revelation on the future of the monarchy. It raises questions about why William chose to keep this information from Kate and what impact it may have on their relationship and on the royal family as a whole.

Overall, the article focuses on the hidden truth that has now been revealed and the potential consequences it may have on the royal family's dynamics and succession.