Meghan Trainor Carpool Karaoke

James Corden asks his friend Meghan Trainor to help him get to work, and the two sing some of Meghan’s biggest songs before Dr. Phil surprises them, and Meghan struggles to keep her cool. Spoiler alert: Dr. Phil is all about that bass! More Late Late Show: Subscribe: Watch Full Episodes: Facebook: Twitter: Instagram: Watch The Late Late Show with James Corden weeknights at 12:35 AM ET