[List] Carson Daly: Rolling Stone Crowns Its Top 20 “Kings Of Hip-Hop” (page 15)
6. [lastfm link_type="artist_info"]Nicki Minaj[/lastfm]
Nicki is the only female to muscle her way into the top 20, so that alone makes her a pretty big deal.
But it was her album sales, radio popularity, tour earnings, & strong social network following that gave her the extra edge in this competition.