'I have this rule where I try to get through Thanksgiving,' she said. 'I don't like when people rush it because once I start, I don't stop until after like almost New Year's.' The late-night host then asked Carey for a little backstory behind her 1994 hit, 'All I Want For Christmas Is You,' the most downloaded Christmas music song ever. 'When I first wrote 'All I Want For Christmas Is You,' I was like, 'You know, I'll give it a shot and see what happens,' she said. 'The label was like, 'You should do a Christmas album' and I was like, 'Really? It seems kinda early in my career to do that,' and then I was like, 'Okay, I love Christmas. I'll sit down and try to work it out.'

' 'Was your first lyric, 'I don't want a lot for Christmas?' ' an excited Fallon asked and Carey replied, 'Yes, they were. Yes, they were.' 'It was all about the feeling of the song,' she added.

Carey, who was there to promote her 15th studio album 'Caution,' also spoke about how the soundtrack from her 2001 flop 'Glitter,' has now topped the iTunes album charts at number one. 'It almost ruined my life and now?

#JusticeforGlitter,' she said. 'It's a movement.' “Actually, #JusticeForGlitter was directed at me, because I never do songs from that,' she continued.

'It's a soundtrack actually. It was a tough time when it came out. It was a whole thing. It was a drama.' Carey credits the Lambily, her dedicated fan base, as the reason of the album popping up almost two decades later. 'It is a good album,' she said. 'The fans made it happen.

I had nothing to do with it.It's a movement. It's bigger than me, much bigger than me.' The Grammy-winning songstress also performed 'Danger' featuring, a song from her new album.

Mariah Carey Dazzles In Holiday Campaign For Mac 2016

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