Watch John Legend, Metallica, Ariana Grande & More in New 'Carpool Karaoke' Trailer | Billboard News

2/15/2017

A new extended trailer for 'Carpool Karaoke' featuring John Legend, Alicia Keys, Will Smith, Ariana Grande, Metallica, Blake Shelton, and more has just been released. The 'Late Late Show' spin-off, coming soon to Apple Music, will feature 16 celebrit