John Legend Can’t Stop Crying After Watching 'Underdog' Performance on 'The Voice'

The Voice: John Legend cries uncontrollably after being moved by performance as Knockouts stage concludes on NBC show

‘The Voice’ Preview: John Legend Faces a Brutal Choice After Incredible 3-Way Knockout

The Voice: John Legend steals country singer Kristen Brown after she covered This One's For The Girls as Knockouts stage continues on NBC show