Article continues below advertisementPrince William and Kate Middleton are opting to forgo the royal family's annual Christmas lunch feast at Sandringham Estate in Norfolk due to alleged rising tension.While the Prince and Princess of Wales, both 43, will be attending church liturgy with the rest of The Firm before brunch, they have decided to spend the rest of the holiday with Kate's family.Article continues below advertisementSource: MEGAPrince William and Kate Middleton will be spending Christmas with Kate's family.