Royal romances have fascinated us for centuries, but none more so than Queen Elizabeth II and her descendants. We take a look back at how their relationships begun. Kate Thornton is also joined by dating expert Jo Hemmings, royal commentator Victoria Arbiter and historian Kate Williams. They discuss the dynamics of William and Kate and Harry and Meghan’s marriages and Jo tells The Royal Box what advice she would give to those marrying into the fold. Watch the full episode 15 of Yahoo UK’s show ‘The Royal Box,‘ here .