Video Shows Heartwarming Moment 5-Year-Old Girl Meets Great-Grandmother With Dementia for the First Time

Sophie's mother was concerned that she would be frightened by the encounter.

"The entire family is amazed, shocked and so proud of Sophie's video and the millions of shares, comments from people all over the world who have been touched by her," said Sophie's grandfather, Sandy Miller. "Sophie started to sing on her own and we felt surprised and so proud."

"[We were] also delighted at the reaction of great nana," Miller said.

Miller said that Sophie's mother Sarah was concerned that her daughter would be frightened by the encounter.

"She has late-stage dementia and is partially blind," Miller said. "She was smiling, tried to sing along with Sophie."