I was wondering who y'all thought was the best. I think they are all phenomenal singers, but is one of them better then the rest? I think Mariah Carey is the best out of all three, but I am a sucker for those high notes. Mariah Carey has the record for the highest note, in the 1991 perfomance of emotions at the VMA's. I think Mariah has a voice that is just as good as Whitney, Celine, and Kelly, but her vocal range is what puts her on top. Not to mention she isn't annoying like Kelly Clarkson and Celine.