Kensington Palace announced this week that Prince Harry and Meghan Markle are officially engaged, and are expected to marry next May. Before we dismiss the celebrations as just another celebrity extravaganza, it’s important to remember that the upcoming nuptials will benefit the economy, too. This year, the British Monarchy generated £1.77 billion to the UK economy. This includes a £50 million contribution for fictional shows like The Crown and Victoria, which offer a glimpse into the mystique of the Royal family. The figure also takes into consideration £550 million from tourism: in 2016, 2.7 million people visited Buckingham Palace alone. When William and Kate…