YouTube's most-viewed artists

POSTED: 04:12 PM EDT Jun 20, 2013    UPDATED: 02:16 PM EDT Jun 26, 2013 
New Rihanna blurb

Move over, Justin Bieber. Rihanna has now eclipsed the one-time YouTube king to become the most-viewed artist on the video-sharing site. Take a look at where other popular artists rank and watch their most popular videos.