Self-explanatory. Is your fave a member?

Yes, with Christina Aguilera.

EDIT: If you mean worldwide, Christina has two.

Yes. Both Eminem and Britney.

btw how much has blackout

I need to start an Almost Three-Time Diamond Album thread:

2 diamond albums

Yup. Mariah and Adele both are.

(Oh yeah, and Britney and Whitney.)

Christina Aguilera

Madonna - 10 million
Like A Virgin - 21 million
True Blue - 25 million
Like A Prayer - 15 million
The Immaculate Collection - 30 million
Something To Remember - 10 million
Evita - 11 million
Ray of Light - 20 million
Music - 15 million
Confessions On A Dance Floor - 12 million

Op never said in the US or worldwide.

Since you didn't specify, yes, Beyoncé has a diamond album in Brazil.

She isn't part of the club

DAMNNN get it britney

Diamond is 10 million isn't it?

Mariah has 2 ~ Daydream x Music Box

Yes, of course. Two diamond albums.