Article continues below advertisementSavannah Guthrie is opening up about the moment her life changed forever.While sitting down for an interview with her dear friend Hoda Kotb on Today, the NBC star recalled the horrifying phone call she received informing her that her mother, Nancy Guthrie, 84, had disappeared in the middle of the night on Sunday, February 1.Savanah - who sobbed throughout the emotional Thursday, March 26, interview - said it was her sister, Annie Guthrie, who dialed the famed TV anchor to break news of the family's nightmare.