Queen Elizabeth II reportedly didn't mince words when Prince Harry told her he was going to propose to Meghan Markle. The Duke and Duchess of Sussex had a speedy courtship, as they began dating in the summer of 2016 and were engaged by November 2017. According to royal biographer Hugo Vickers' new book via The Telegraph, the late leader of England warned her grandson about moving too fast in his romance with Meghan. Meghan Markle, Prince Harry and Queen Elizabeth II attend the Young Leaders Awards in 2018.