Prince Harry reportedly headed back to the U.S. almost immediately after his father’s coronation ceremony on Saturday. The Duke of Sussex — whose complicated relationship with the royal family has led some to speculate on whether he would even attend the coronation of King Charles III — showed up by himself at Westminster Abbey in London. His wife, Meghan Markle, and their two young kids, Archie and Lilibet, stayed home in Southern California to celebrate Archie’s 4th birthday, which just so happened to fall on the same day as the coronation. After sitting in the third row of pews during the c...