Shakira, by miles. When your LIVE albums can sell millions of copies and outsell some artists' STUDIO albums, you know you're a major force in music. I mean, the woman has huge Live Nation deal, Xtina does not. That just shows the kind of power and relevance she has on a global scale.
Let's be real, the only publicity Xtina gets is for her weight and The Voice. Her music is virtually irrelevant.
