Natalee Holloway is the harrowing true story of a teenage girl who vanished while vacationing in Aruba. The movie, about a mother's search for truth and justice, is based on the book, Loving Natalee: A Mother's Testament of Hope and Faith, by Beth Twitty, the mother of Natalee Holloway. Premieres Sunday, April 19 at 8 pm ET|PT on Lifetime Movie Network