Everyone try to keep calm, the Duke and Duchess of Cambridge are stateside. On Sunday, Prince William and Kate Middleton landed at JFK for their first official visit to the United States and their first time in New York City. During their trip, glamorous couple is staying in one of Princess Diana’s favorite hotels The Carlyle Hotel in the Upper East Side. After checking in, the duo attended a private dinner with their American Friends of the Royal Foundation. Check out their impeccable style here!