Katy Perry Is The Top Selling Digital Artist Of All Time! How Many Millions Of Single Downloads Did It Take?!

The interwebs have spoken!!<br/><br/>Katy Perry is officially the top certified digital artist of all time! Praise, KatyCats!<br/><br/>If you're wondering what that equates to — it's a ginormous 72 million single downloads, which is a whole lotta music from Kitty Purry's momma!<br/><br/>KP shared the exciting news on Instagram and Twitter Thursday, with the caption: <br/><br/>Over 72 [...]