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

Is Matthew Perry Related to Katy Perry? Who was Matthew Perry? Who is Katy Perry? - News

Photos of Katy Perry's Beauty Evolution

Katy Perry thrown 'under the bus' by 'American Idol,' wants to quit: report

Katy Perry under fire: 'American Idol' judge criticized for contestant comments

Katy Perry's 'Witness' Protection - The Ringer

Katy Perry on Las Vegas Residency and Firework Foundation

Katy Perry: Exit from American Idol and the End of an Age

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

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

Katy Perry's touching tribute to friend and mentor Angelica Cob-Baehler who died following cancer battle - Mirror Online

Katy Perry to Release Feature-Length Special on Red – The Hollywood Reporter

Katy Perry

Katy Perry to take time out and let her heart heal after split from Russell Brand - Mirror Online

Katy Perry Inadvertently Wears Controversial Dress in Taipei (2015/04/30)- Tickets to Movies in Theaters, Broadway Shows, London Theatre & More

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