VIDEO : Ariana Grande Replaces Whitney Houston Hologram on the Season Finale of 'The Voice'

Singer Ariana Grande arrives at the 58th Grammy Awards in Los Angeles, California February 15, 2016. LOS ANGELES -- Ariana Grande has filled in for a hologram version of Whitney Houston in a duet with Christina Aguilera on the season finale of NBC's "The Voice." Instead, Grande joined Aguilera, one of show's celebrity coaches, in singing the title track off of Grande's new album, "Dangerous Woman" on Tuesday. Former child actress Alisan Porter was crowned champion of Season 10 of the singing competition.