Adele: 50M
19: 3M
21: 30M
25: 17M
Taylor Swift: 23M
Miscellaneous:1M
Speak Now: 6M
Red: 6M
1989: 9M
Rihanna: 18M
Miscellaneous: 800K
Rated R: 2M
Loud: 6.5M
Talk That Talk: 3.8M
Unapologetic: 3.8M
Anti: 1.1M
Lady Gaga: 17.5M
The Fame Monster: 8.0M
Born This Way: 6.5M
Artpop: 2M
Cheek To cheek: 1M
Katy Perry: 11.5M
One Of The Boys: 1M
Teenage Dream: 6.5M
Prism: 4M
Beyonce: 9.5M
Miscellaneous: 1M
4: 3.1M
Beypnce: 4M
Lemonade: 1.4M
Thoughts?