Katy Perry: Part of Me

Katy Perry

Self

Shannon Woodward

Self

Rachael Markarian

Self

Mia Moretti

Self

Glen Ballard

Self

Adam Marcello

Self

Casey Hooper

Self

Patrick Matera

Self

Max Hart

Self

Kesha

Self

Joshua Moreau

Self

Lauren Allison Ball

Self

Tasha Layton

Self

Leah Adler

Self

Lockhart Brownlie

Self

Anthony Burrell

Self

Lexie Contursi

Self

Ashley Ashida Dixon

Self

Brandee Evans

Self

Bryan Gaw

Self

Malik Le Nost

Self

Scott Myrick

Self

Cassidy Noblett

Self

Bradford Cobb

Self

Johnny Wujek

Self

Steven Jensen

Self

Todd Delano

Self

Tamra Natisin

Self

Angela Hudson

Self

Ann Hudson

Self

David Hudson

Self

Keith Hudson

Self

Mary Hudson

Self

Mark Hunter

Self

Angelica Cob-Baehler

Self

Jason Flom

Self

Adele

Self

Jessie J

Self

Rihanna

Self

Justin Bieber

Self

Rebecca Black

(archive footage)

Alan Carr

(archive footage)

Lauren Christy

Self

Darren Criss

Aaron Christopherson (archive footage)

Ellen DeGeneres

(archive footage)

Graham Edwards

(archive footage)

Whoopi Goldberg

Self

Baz Halpin

Self

Erica Hill

(archive footage)

Lucas Kerr

Self

Heidi Klum

(archive footage)

Avril Lavigne

Self

Bonnie McKee

Self

Alanis Morissette

(archive footage)

Dermot O'Leary

(archive footage)

Britney Spears

Self

Scott Spock

Self

Chris Wragge

(archive footage)

Russell Brand

Self