Katy Perry: A Pop Icon's Journey to Stardom, by Celebrity News

10 Best Katy Perry Songs of All Time

Katy Perry: Confessions of a Pop Princess – The Hollywood Reporter

Katy Perry Accused Of “Mom-Shaming” An 'American Idol' Contestant

Superstar Katy Perry reveals her passion for Scotland, her dazzling clothes and why she still loves to party - Daily Record

Photos of Katy Perry's Beauty Evolution

Katy Perry Before They Were Famous #KatyPerry #beforefame #beforethefa

Katy Perry's net worth, earnings, and expensive things she owns

What 33 Musicians Looked Like at the Start of Their Careers: Photos

Katy Perry, Celebrity Wiki

Katy Perry, Rihanna plan African sojourn – India TV

Katy Perry Sells Catalog Rights to Litmus Music for $225 Million