Article continues below advertisementMeghan Markle is being branded the "Grinch of Montecito" by insiders who claim her glossy new Christmas video is a calculated attempt to overshadow Kate Middleton, and her much-loved annual carol service. Sources tell OK! the Duchess of Sussex's move has reignited one of the royal family's frostiest feuds just weeks before the holidays.The dispute centers on Kate's traditional Together at Christmas event, now in its fifth year and set to take place on December 5 at Westminster Abbey.