LDS Artist, Tiffany Alvord, performs “This is Me” for Hugh Jackman, Zac Efron Tiffany Alvord, an LDS Artist performed “This is Me” for Hugh Jackman, Zac Efron, Zandaya, and the writers of “The Greatest Showman”, Benj Pasek and Justin Paul. 20th Century Fox hosted a singing competition for YouTube artists to perform their...