And on Tuesday, Meghan Markle and Prince Harry were spotted at a Christmas service in the Church of St. Luke in London, where the Duchess of Sussex read a poem in memory of a close friend of her husband, who 16 years ago was killed in a vehicle accident.
The pun in the show's name reflects the fact that Prince Harry is now sixth in line for the throne, behind Prince Charles, Prince William and William's children, George, Charlotte and Louis.
Meghan apparently tried to approach Kate to learn the ropes but the Duchess of Cambridge was pre-occupied with her children Prince Louis, George, five, and Charlotte, three.
Tennis champ Serena Williams has advised her "sweet" pal Meghan Markle to "stop being so nice".
The pair have a long-standing friendship dating back to 2010 where they reportedly first met at the Super Bowl in Miami, Florida.
Harry, 34, is said to now be very over-protective of Meghan because he was unable to protect their mother.
A spokeswoman for Kensington Palace said: "This is not a story we would comment on".
Although Harry was quick to clarify that they're "healthy" disagreements, he also made a quip about the high volume of clashes, claiming that "they come so thick and fast".
"I'm like "How are you?' and she's like 'No how are you?'", the 37-year-old told People".
Harry then shed further light on his pragmatic attitude toward tensions in the family, admitting that spending so much time together could be challenging.
Harry and Meghan's move from London to Frogmore House in Windsor, Berkshire, was reported to have reflected the discord between the royal wives.