By Hanisha Sethi & Joseph Wilkes Queen Camilla’s son, Tom Parker Bowles, recently had a hilarious experience at a Krispy Kreme drive-thru in London. The British food writer and critic, known for his reviews of Michelin-starred restaurants, decided to try out the American doughnut chain, which first opened in North Carolina in 1937 and has since become a household name in Britain. In an article for the Daily Mail, Mr Parker Bowles, 49, described how he visited the drive-thru in Enfield at noon, only to find it deserted – a stark contrast to the bustling McDonalds across the car park. Despite th…