James Corden is off to a great start hosting The Late Late Show this week, chatting with Mila Kunis and reciting lines from Tom Hanks movies with Tom Hanks. For his latest skit, he enlisted Mariah Carey for some karaoke in the car. Though at first the pop diva was hesitant, they ended up singing to some of Carey's greatest hits. Listen, Corden has a solid voice, but if this were a competition rather than a jam session, I think we all know who sounds better. Watch below!