Katy Perry's 'Roar' Debuts on Pop Songs Chart, Heading for Hot 100 – Billboard

To no one's surprise, Katy Perry's new single "Roar" is off to a roaring good start. The song leaked prematurely to the Internet on Saturday, Aug. 10 -- two days before its planned premiere today (12).

Katy Perry previews new album 'Prism' at NYC event – The Denver Post

American Idol: All Of Katy Perry's #1 Songs On The Billboard Charts

Katy Perry - Billboard Hot 100 Chart History

Miley Cyrus' 'Wrecking Ball' Is No. 1, But Is It A Real Hit? : The Record : NPR

Taylor Swift's highest-peaking Hot 100 Hits ranked by estimated weekly chart point peaks : r/TalkOfTheCharts

Katy Perry's albums and songs sales - ChartMasters

10 Best Katy Perry Songs of All Time

Katy Perry Confirms Next 'PRISM' Single – The Hollywood Reporter

The Rapid Rise And Awkward Fall Of Katy Perry

Katy Perry Speeds To No. 1 On Hot 100 – Billboard

KATY PERRY

Top 10 Songs by Katy Perry - American Songwriter

Roarin' Tracks: These Are Katy Perry's Top 10 Billboard Hits

Why Katy Perry's new brand of “purposeful pop” has sparked such backlash - Vox