Okay, we're not sure Mariah Carey would ever be alright about this version of 'All I Want For Christmas'. But it's hilarious! And weird - videos that take you inside the murky world of Chat Roulette always are...
Anyhoo, have some festive giggles and enjoy a bit of this - probably the only time today you'll see a moustache-d, bearded man in a 'Jingle Bell Rock'-style dress lip-synching to Mariah...