Justin Bieber and Carrie Underwood Lead All-Star 'Christmas Carpool Karaoke'
By Jackie Willis
The Late Late Show went carpool caroling!
The show's band leader, Reggie Watts, drove around with host James Corden as the two reminisced about singing with some of music's biggest stars in a festive "Carpool Karaoke" segment.
Starting their own "Christmas Carpool," the guys burst into song when "Joy to the World" came on the radio. The late-night CBS show also got Justin Bieber, Carrie Underwood, Jason Derulo, Iggy Azalea, Rod Stewart, Stevie Wonder and One Direction to sing the classic holiday track when they participated in they were previously in the car with Corden.