Beyoncé
4.9 million, "Dangerously in Love" (2003)
3.3 million, "B'Day" (2006)
3 million, "I Am ... Sasha Fierce" (2008)
1.3 million, "4" (2011)
= 13 million
http://www.billboard.com/articles/ch...-sized-edition
Rihanna
"Music of The Sun" (2005; 609,000)
"A Girl Like Me" (2006; 1.349 million)
"Good Girl Gone Bad," (2007 2.8 million)
"Rated R" (2009; 1.110 million)
"Loud" (2010; 1.761 million)
"Talk That Talk" (2011 sold 1.118 million)
"Unapologetic" (2012; 1.113 million)
= 10 million
http://www.billboard.com/articles/co...us-album-sales
WIKIPEDIA
http://en.wikipedia.org/wiki/Rihanna_discography
1,000,000 + 3,000,000 + 7,000,000 + 3,000,000 + 5,700,000 + 4,500,000 + 3,000,000
= 27,200,000
http://en.wikipedia.org/wiki/Beyonc%...es_discography
11,000,000 + 7,000,000 + 7,000,000 + 3,000,000
= 28,000,000
