Mariah Carey helped welcome, James Corden, who's the new host of 'The Late Late Show' to LA by joint him behind the wheel of his Range Rover, as they drove around LA. Through the ride, they talked, gave British accents and sung some of Mariah's biggest hits.
Check out the video of Mariah singing some of her greatest hits with James, here: https://youtu.be/z2iwQoKD6mg