Justin Bieber

Justin Bieber

Nicole Scherzinger

Nicole Scherzinger

Jennifer Hudson

Jennifer Hudson

Jennifer Nettles

Jennifer Nettles

Josh Groban

Josh Groban

Tony Bennett

Tony Bennett

Mary J. Blige

Mary J. Blige

Toni Braxton

Toni Braxton

Michael Jackson

Michael Jackson (archive footage)

Janet Jackson

Janet Jackson

Barbra Streisand

Barbra Streisand

Miley Cyrus

Miley Cyrus

Enrique Iglesias

Enrique Iglesias

Jamie Foxx

Jamie Foxx

Wyclef Jean

Wyclef Jean

Adam Levine

Adam Levine

Pink

Pink

BeBe Winans

BeBe Winans

Usher

Usher

Céline Dion

Céline Dion

Orianthi

Orianthi

Fergie

Fergie

Nick Jonas

Nick Jonas

Mary Mary

Mary Mary

T.I.

T.I.

Isaac Slade

Isaac Slade

Carlos Santana

Carlos Santana

Lil Wayne

Lil Wayne

Akon

Akon

T-Pain

T-Pain

LL Cool J

LL Cool J

will.i.am

Will.i.am

Snoop Dogg

Snoop Dogg

Nipsey Hussle

Nipsey Hussle

Busta Rhymes

Busta Rhymes

Swizz Beatz

Swizz Beatz

Iyaz

Iyaz

Mann

Mann

Ye

Kanye West