Prince William, Kate Middleton poke enjoyable at hours-long coronation: ‘What. A. Day.’

Prince William and Kate Middleton took to social media with a relatable message following King Charles III’s hours-long coronation Saturday. “What. A. Day.,” the couple captioned a short film through Twitter, which gave followers a behind-the-scenes peek inside their day with children Prince George, 9, Princess Charlotte, 8, and Prince Louis, 5. “Thanks to everybody…