this article back in 2010 said OOTB sold 7 million copies WW.
For Perry, the debut would easily best the chart arrival of her breakthrough 2008 effort One of the Boys, which debuted on the charts and peaked at #9 with 47,000 sales; it went on to sell more than one million copies in the U.S. and seven million worldwide. Perry is looking to both beat the sophomore slump and cement her status as one of the world's pop icons
this article back in 2010 said OOTB sold 7 million copies WW.
For Perry, the debut would easily best the chart arrival of her breakthrough 2008 effort One of the Boys, which debuted on the charts and peaked at #9 with 47,000 sales; it went on to sell more than one million copies in the U.S. and seven million worldwide. Perry is looking to both beat the sophomore slump and cement her status as one of the world's pop icons
There's absolutely no way it sold 6x what it sold in the US, outside the US. She was not that global back in the OOTB era. 4.2mil is great and far more accurate.
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LFN, 3/4 to 1 billion. It's so crazy to think it's gonna do it before Firework. Just goes to show that when it comes to visual streaming, a classic video >>> a classic song.
RISE
will be 6 years old in 8 days 
She was not that global back in the OOTB era. 4.2mil is great and far more accurate.