The broadcasts started as early as midnight on the West Coast, so there was plenty of time to fill — more than four hours — before the wedding ceremony. ABC did so by including old interview footage of Harry's mother, the late Princess Diana, about what she hoped for in her sons' lives. It was an emotional moment, followed by another recent interview with Harry, asking him what Diana might have thought about his union with Markle.

Source: Los Angeles Times May 19, 2018 21:56 UTC