Katy Perry's Dark Horse is slaying on the charts and nobody is surprised
Katy Perry Today on Twitter: "7 years ago today, @katyperry released “Dark Horse” ft. @therealjuicyj as the 3rd official single from “PRISM”. — Check out the main achievements: https://t.co/E6rdjIPB8H" / Twitter
Stream katysbf | Listen to iTunes Festival: London 2013 - Katy Perry playlist online for free on SoundCloud
Katy Perry's new album Witness faces stiff competition from Ed Sheeran, Hillsong Church, London Grammar on iTunes | PerthNow
Katy Perry Europe - #CHARTS iTunes Worldwide 🌎 Never Really Over is now #1 !! CONGRATS Katy Perry 🧡#NeverReallyOver | Facebook
Katy Perry | full Official Chart History | Official Charts Company
Lady Gaga and Katy Perry Singles Could 'Roar' Toward Digital Chart History – Billboard
Katy Perry's Prism Debuts at No. 1 on Billboard Top 200 - E! Online
Katy Perry Lately! (@katyperrylately) | Songs, Katy perry, Girls talk boys
Katy Perry unveils 'Roar' video – watch
Katy Perry Surges During Post-Holiday Lull – Rolling Stone
Walking On Air #1 on iTunes - Katy Perry - FOTP
Katy Perry on Apple Music
Top Music Universe Awards в Twitter: „Wow! #NeverReallyOver by Katy Perry has debuted at #1 on iTunes Worldwide Songs Chart! Congratulations, @ KatyPerry! https://t.co/TvDqdfvp4R“ / Twitter
Katy Perry Charts (@perryscharts) / Twitter
iTunesCharts.net: 'Teenage Dream: The Complete Confection' by Katy Perry (American Albums iTunes Chart)
Firework (song) - Wikipedia
