Article continues below advertisementDuring a state visit to the White House on Tuesday, April 28, President Donald Trump made a royal blunder, appearing to cut in front of Queen Camilla during a formal greeting ceremony.The incident occurred on the South Lawn as the royal couple was being introduced to senior U.S. administration officials. While the Queen moved down the line to shake hands with officials, the POTUS stepped into her path and began shaking hands himself, effectively taking over the greeting and leaving King Charles' wife momentarily sidelined.