Katy Perry Europe - #CHARTS iTunes Worldwide 🌎 Never Really Over is now #1 !! CONGRATS Katy Perry 🧡#NeverReallyOver | Facebook
Katy Perry Lately! (@katyperrylately) | Songs, Katy perry, Girls talk boys
Katy Perry tops iTunes singles charts, nears Michael Jackson's Billboard record - syracuse.com
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
KATY PERRY STATS on Twitter: "11 years ago, Katy Perry released her 2nd studio album TEENAGE DREAM and reset the meaning of POP PERFECTION. https://t.co/q63qSU8w9C" / Twitter
Katy Perry's albums and songs sales - ChartMasters
Katy Perry – iTunes festival review | Katy Perry | The Guardian
GLOBAL SUPERSTAR KATY PERRY ANNOUNCES MORE SHOW DATES TO HER HIGHLY ACCLAIMED LAS VEGAS RESIDENCY “KATY PERRY: PLAY” AT RESORTS WORLD THEATRE | Resorts World Las Vegas
Katy Perry's new album Witness faces stiff competition from Ed Sheeran, Hillsong Church, London Grammar on iTunes | PerthNow
On the charts: Katy Perry scores again | CNN
Top Music Universe Awards on Twitter: "Wow! #NeverReallyOver by Katy Perry has debuted at #1 on iTunes Worldwide Songs Chart! Congratulations, @ KatyPerry! https://t.co/TvDqdfvp4R" / Twitter