Blake Shelton, Adam Levine, Miley Cyrus and Alicia Keys perform 'Dream On' in dedication to Christin
The Voice's new coaching panel of Blake Shelton, Adam Levine, Miley Cyrus and Alicia Keys came together to perform Aerosmith's "Dream On" in memory of slain former contestant Christina Grimmie during Sunday night's special post-Olympics Season 11 preview broadcast.
