In reply to FAF.

Girl, you need to read before you type.

list is for MAY 2011 to MAY 2012

that means that from the may of last year (2011) to the may of this year (2012), so beyonce is included because guess what the list counts 2011. rihanna released one album in that time frame
unapologectic came out november 2012, it does not count for this list

read carefully because i know you have a hard time doing that.

and nicki aint even close to any real queens sales, even beyonce who did nothing big sold more than twice what nicki sold, and rihanna too. nicki stays on keri hilson, and ciara levels.