Meghan Markle is said to be "seething" after Kate Middleton secured Kate Winslet to take part in her 2025 Christmas carol concert, with insiders telling RadarOnline.com the Duchess feels overshadowed as her sister-in-law adds fresh star power to a project already praised for its elegance and broad appeal.

The Princess of Wales, 43, has organized the Together at Christmas concert since 2021, hosting it at Westminster Abbey as a celebration of community, service, and seasonal goodwill. Article continues below advertisement

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Kensington Palace has now revealed the 2025 edition will be held on December 5, with the concert broadcast on Christmas Eve and Christmas Day.

This year's theme centers on lov

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