Mariah Carey
An important lesson in not leaving James Corden alone in your living room.
'Bitch stole my seat!'
Fortunately for her, this went a lot more smoothly than last year's effort.
Put your Christmas music knowledge to the test.
'I've received a present of my own; a respiratory infection.'
'I was at a low point in my personal life.'
The Christmas tree in the background really didn't help.
The 29-year-old was a huge fan of the US singer.
Now this would be good.