← All storiesEntertainmentDeveloping story Kate Middleton reached 'final straw' with Prince Harry after comment about King Charles' cancer: author
This material may not be published, broadcast, rewritten, or redistributed. ©2026 FOX News Network, LLC. All rights reserved. Quotes displayed in real-time or delayed by at least 15 minutes. Market data provided by Factset. Powered and implemented by FactSet Digital Solutions. Legal Statement. Mutual Fund and ETF data provided by LSEG. Christopher Andersen, author of "Kate!," details why the Princess of Wales reportedly reached her breaking point in the feud between Prince William and Prince Harry. Kate Middleton refused to stop trying to mend Prince William and Prince Harry’s strained relationship, but the Duke of Sussex’s remarks about King Charles’ mortality became the breaking point. The claim was made by royal author Christopher Andersen, who spoke to numerous sources for his book "Kate!," which explores the Princess of Wales’ rise as one of the House of Windsor’s most influential figures. "She would not give up," Andersen told Fox News Digital. "Even after Harry threw William under the bus in his memoir ‘Spare,’ she was willing to keep trying. And the final break came. PRINCE WILLIAM WON'T WELCOME PRINCE HARRY BACK DESPITE NEW PLEA FOR RECONCILIATION: EXPERT Author Christophe

May 27, 2026
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