Good job KatyCats!!!

"It's official! @KatyPerry's #DarkHorse is now the 2nd most-watched vid on Vevo with 1B views! #DarkHorse10xCertified," Vevo tweeted.

Although it is second only to "Baby" by Justin Bieber, the "Dark Horse" video now has over 1 billion views now.

Katy Patra herself tweeted: