Article continues below advertisementHoda Kotb is sending her support to longtime friend and former Today costar Savannah Guthrie as she continues to search for her missing mother, Nancy Guthrie.On the morning of Monday, February 2, Hoda posted a picture of a rainbow on Instagram with the word "hope" written across it, and she followed up by sharing a photo of Savannah and her mom smiling during happier times. She added a heart and praying hands emoji to her uploads.