To become a top-selling record artist (dancing & singing wise)

 I want to be a top-selling recording artist. I don't know what language yet, depending on the market, either English or Chinese (Taiwanese). While I am less conversant in the second, as an Asian, it might be heard to break into the former as yet.

I want to incorporate my singing and dancing skills in my career and do what I love at the same time. I am inspired by the singing of Kelly Clarkson, loved the authenticity of songwriting of Avril (when she was still a punk rocker), and the dance moves of Korean girlband SNSD and Korean star BOA. 

I want to be famous, but at the same time respected for my craft. Currently, I have done both singing and dancing performances and while I know I am not the best or at a professional level as yet, I am good enough at both and seek to improve myself.

I am undecided on which direction to take, a ukelele (have one, not got time to learn) playing singer songwriter ala Kina Grannis/ Olivia Ong? A pop culture icon with dance and style like SNSD? Or should I aspire to something like musicals, Broadway?

All I know is, I love singing and dancing. And that is my dream :)