Even though not all her music videos are on KatyPerryVevo, they're still on other channels which are also part of Vevo.
like:
https://www.youtube.com/watch?v=F57P9C4SAW4
So looks like the OP is TRULY inaccurate. The accomplishment is pointless if you're going to use this lil technicality that the views must only be counted on (ArtistName)VEVO. Poor haters, having to delete videos from Katy's discography to make it look like Taylor accomplished something.
Looks like Katy still has over a billion more VEVO views than Katy.
tldr:
The OP is wrong.
She has 5,982,626,713 views on KatyPerryVevo, and hundreds more millions on emimusic which is also a VEVO channel. Looks like Katy still reigns supreme.
