India, May 19 -- Meghan Markle's rude behaviour towards her wedding caterers forced the late Queen Elizabeth to intervene, according to a Daily Mail report. Royal author Katie Nicholl told the outlet that the alleged incident took place when the Duchess of Sussex visited Windsor Castle to taste her wedding menu.

"On one occasion in the run-up to the wedding, Meghan went to Windsor Castle for a menu-tasting and ended up having a tense exchange with a member of staff," Nicholls claimed in her new book The New Royals, per the outlet. "Meghan was at the castle to taste some of the dishes, and told one of the caterers she could taste egg," a source added.

The taste issue allegedly left Meghan "upset," who told the caterer that the "dish was ...