Proceeds of gospel-tinged ballad benefit victims and families affected by Pulse shooting
Pat Houston, executor of singer's estate, cancels 'The Voice' debut after deeming hologram "not ready to air"
Christina Aguilera also tackles John Lennon's "Mother" at private Los Angeles gig
Grande also impersonates Christina Aguilera, Celine Dion for "Wheel of Musical Impressions"
Writer-comedian channels Christina Aguilera for performance against Malin Akerman
Pop and country icons join forces on this weekend's live broadcast for two songs
‘Tonight Show’ host takes on David Bowie, Michael McDonald in new round of ‘Musical Impressions’
'The Voice' coach is set for a multi-episode appearance as a pop superstar who wants to go country
Christina Aguilera, Carrie Underwood and One Direction also contribute to an a cappella take on the Queen classic
Watch Britney Spears bite the head off a crawfish and Christina Aguilera cover Whitney Houston back in their Disney days
New arrival is the singer's second child, first with fiancé Matt Rutler
Mixed-bag teams prepare to move on to knockout rounds
Duet battles feature Nirvana, Aretha, Rod Stewart songs
Getting 'Back to Basics' with the golden voiced pop singer
She's a little girl with the big voice. Eminem hates her. Six million fans love her. And the industry calls her this year's best new artist