By Jon Boon - Breaking Celebrity News Reporter

Despite suffering morning sickness so bad that it required her to be hospitalized and dealing with the early stages of pregnancy, Kate Middleton has vowed to grin and bear it when it comes to the annual Royal Family Christmas dinner, Breaking Celebrity News is exclusively reporting.

The Duchess of Cambridge feels it’s her duty to attend the lavish meal with Prince William, even though the concerned father-to-be has suggested she skip it to prevent possibly triggering any further bouts of debilitating sickness.

Kate, 30, has told William she will attend though, despite her ongoing health concerns and the array of rich foods that will be on offer!

“Kate doesn’t want to disappoint the Queen, nor does she want to skip on her duties,” a royal source tells Breaking Celebrity News.

“She feels she is obliged to appear at the annual Christmas dinner -- her first as the Duchess of Cambridge and doesn’t want to let anyone down.