QUIZ: All we want to know is ... can you sing "All I Want For Christmas"?

It's a festive favourite, Christmas classic covered by artists aplenty from Michael Bublé to Bowling for Soup, Kylie Minogue and Mumford & Sons together.
Mariah Carey: Christmas all year round with rich royaltiesMariah Carey: Christmas all year round with rich royalties
Mariah Carey: Christmas all year round with rich royalties

Yes, even US singer-writer Mariah Carey has dueted her '94 seasonal staple - the five-octave songbird's biggest international success, whose 14 million global sales have grossed $50 million-plus royalties - with Canadian crooner Justin Bieber. Hailed "one of the few worthy modern additions to the holiday canon," the evergreen earworm was most popular played yule song of last decade while being acclaimed fourth top rock 'n' roll Christmas classic, here unhelpfully soundtracked by instrumental version. So you're bound to know all the lyrics, right? Let's see!