Diva smackdown: Madonna vs. Mariah

Diva smackdown: Madonna vs. Mariah

Two of the world's biggest female pop stars released new albums in April: Mariah Carey's "E=MC2" and Madonna's "Hard Candy." Sure, you've read the reviews and heard the singles…but how do these two icons really measure up against each other? Metromix pitted diva against diva in a head-to-head battle of sales figures, wardrobes, publicity stunts and memorable career moves (good and bad) and tallied the results.