In a tradition dating back to Victorian times, all female members of the Royal Family have their fart glands removed on their 18th birthday, or when they marry into the family. This simple procedure is carried out by the Royal Surgeon, assisted by the Archbishop of Canterbury.
A similar process is applied to male members to remove their sweat glands.
Her refusal to agree to the royal de-farting requirement is at the root of the current dispute between the mainstream royals and Meghan Markle, as Meghan is known to take great pleasure in letting off a big eggy ripper. Indeed, on her first encounter with Prince Harry, she approached him coyly yet seductively, smiled sweetly, held out her hand and whispered "pull my finger"...