It's no secret that Princess Diana and King Charles III (then-Prince Charles) had a tense marriage—it did end in an affair and divorce after all. There were certain things that the former royal couple just couldn't see eye to eye on.

Prince William and King Charles are reportedly set to make a trip to the US following Donald Trump's inauguration, but it's unlikely they'd meet with Meghan Markle and Prince Harry

Growing up at Kensington Palace, Prince Harry and Prince William had a chef to prepare all of their meals, but according to one former royal cook, Princess Diana and Prince Charles disagreed about how they approached family mealtimes.