Madonna had a bigger impact. Mariah was more vocally talented.

Sure. I wouldn't argue that. Her, Celine and Whitney are very, very admired vocalists.

Even if it was the most popular Christmas song ever made, which it isn't, it doesn't give her any edge here. Melissa Ethridge's Christmas song is my favorite Christmas song by far (I like depressing Christmas songs), despite Melissa's incredible talent I wouldn't profess that song as the key to her kingdom.

Like how Memoirs shows?

And what Mariah song do they know? Obsessed?

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Madonna.

I wouldn't say Cellne is as influential as the other two. No one ever cites her as an influence.

Rihanna Jessica Simpson Faith Hill Brandy are some that come to mind

Madonna. The only other artists with more impact than Madonna is Michael and The Beatles.

.

The Queen of Pop.

This is so gay.

I think both of them are very impactful, but in different ways. Madonna obviously has the most impact visually, but Mariah has the most musically. I mean, who will say they want to sing like Madonna or dance like Mariah?

So, in a sense, they are pretty much equal.

Madonna

Please tell me you are joking...