An insider is sharing details of the "very emotional" and long-awaited reunion between Prince Harry and his father, King Charles, after nearly two years of estrangement. "The meeting was sparked by a handwritten letter from Harry earlier this year to Charles expressing his desire to reconnect," a source exclusively told Us Weekly after the Duke of Sussex met with his father on Wednesday, September 10. "They were not sure it was going to happen until just in the last week," the insider continued, adding that the reunion was "super positive and very relaxed.