Yes, royal Christmases at Sandringham are legendary - featuring joke gift exchanges on Christmas Eve, a family-wide ban on Monopoly and of course a sitdown feast, with guests reportedly weighed in a time-old tradition to ensure that they have eaten enough.

The Sandringham Christmas walk isn't the only time that Charlotte has posed for a selfie—after attending the Eras Tour alongside William and George, the pop star took a photo wi