I know may be this has been posted hundreds of times, but i was watching her Paparazzi video again, damn she literally predicted her life i mean the wheel chair the being away from TV concerts and stuff it really amazes me
It's not really Billboard/IFPI whatever, but I'll take it, I mean it had sold 6.8 at the end of 2011 and it's 18 months and a tour later.. she slayed Asia and South America... It's possible, they don't take a lot of Asian countries into account