Popsugar Celebrity Royal Wedding How Much Did the 2018 Royal Wedding Cost? How Much Did the Royal Wedding Cost? You'll Gasp at the Hefty Price Tag June 1, 2018 by Monica Sisavat Solís View On One Page Photo 5 of 5 ADVERTISEMENT () Start Slideshow Share This Link Copy ← Use Arrow Keys → 5 680,000: Estimated cost of food and beverage. 18,000,000: People in the UK who tuned in to watch the royal wedding. 29,000,000: People in the US who watched across six major networks. 41,000,000: Approximate cost of security. 45,000,000: Estimated total cost of the royal wedding. Previous Next Start Slideshow Meghan MarkleRoyal WeddingPrince HarryCelebrity WeddingsRoyal Wedding 2018WeddingsCelebrity Facts