Female Stars Ruled Billboard’s Charts [VIDEO]

For the first time ever, female artists rule the Billboard year end charts.

Of course we know that Adele was the big winner of 2011 with the number one album, 21, and number one single, "Rolling In The Deep", but for the first time 4 out of the top 5 were women and there wasn't a single group in the top 10!  Below are the Top 5 artists with one of their biggest videos and the rest of the top 10 follow.