Mariah on Fire : Carey has spent more time at No. 1 than the Beatles, so why does she still feel like she has something to prove? The superstar opens up.

In the video for her new single, "Heartbreaker," Mariah Carey plays two parts. There's Good Mariah. She has blond hair and wears a pink T shirt. Bad Mariah has dark hair and long, red fingernails. Bad Mariah has stolen Good Mariah's boyfriend. The two women meet in the ladies' room and proceed to get into a very unladylike fight.

They scratch, they kick, they pull each other's hair. Good Mariah wins. You could dismiss it as just a silly music-video gag. But when you sit down to listen to Mariah Carey's new album, "Rainbow," it's clear that musically, there are two ...

Read the rest of this article with a Free Trial at HighBeam Research.