Russell M. Nelson, president of The Church of Jesus Christ of Latter-day Saints, posted a video today of him playing the piano as 7-year-old Claire Crosby sings a Nelson family favorite Christmas song, "Silent Night."
The social media singing star has more than 6 million followers on YouTube, Facebook and Instagram with social media video views numbering more than 1 billion. Her family are members of The Church of Jesus Christ of Latter-day Saints.