Ryan Seacrest

Self - Host

Auliʻi Cravalho

Self - Performer

James Monroe Iglehart

Self - Performer

Donny Osmond

Self

Demi Lovato

Self - Performer

Ariana Grande

Self - Performer

Amber Riley

Self - Performer

Kristin Chenoweth

Self

Christina Aguilera

Self - Performer

Jordan Fisher

Self - Performer

Kenny Ortega

Self

Josh Groban

Self - Performer

Michael Bublé

Self - Performer

Beyoncé

Self - Performer

Derek Hough

Self - Performer

Hayley Erbert Hough

Self - Performer

Julianne Hough

Self - Performer

Darren Criss

Self - Performer

John Stamos

Self - Performer

Josh Gad

Self - Performer

Luke Evans

Self - Performer

Alan Menken

Self - Performer

Erin Andrews

Self - Performer

Bobby Bones

Self - Performer

Carrie Ann Inaba

Self - Performer

Marcus Scribner

Self

Tori Kelly

Self - Performer

Thomas Rhett

Self - Performer

Olivia Rodrigo

Self

Joshua Bassett

Self

Ashley French

Self

Sofia Wylie

Self

Corbin Bleu

Self

Monique Coleman

Self

Lucas Grabeel

Self

Matt Cornett

Self

Frankie A. Rodriguez

Self

Zac Efron

Self

Julia Lester

Self

Dara Reneé

Self

Larry Saperstein

Self

Joe Serafini

Self

Kaycee Stroh

Self

Dove Cameron

Self

Booboo Stewart

Self

Heidi D'Amelio

Self

Marc D'Amelio

Self

Sarah Jeffery

Self

Amos Bocelli

Self - Talent Family

Elias Bublé

Self - Talent Family

Noah Bublé

Self - Talent Family

Vida Bublé

Self - Talent Family

Karelina Clarke

Self

Indiana Jewel Clarke

Self

Sofia Carson

Self

Anson Cronk

Self

Charli D'Amelio

Self

Dixie D'Amelio

Self

Orlando Dixon

Self - DCapella Member

Meg Donnelly

Self

Avery Drechsel

Self - Talent Family

Elle Fanning

Self

Montana Jacobowitz

Self

Jaden Joyner

Self

Morgan Keene

Self - DCapella Member

Kaelyn Kelly

Self - DCapella Member

Taylor Kelly

Self - DCapella Member

Kimberly Schlapman

Self - Performer

Karen Fairchild

Self - Performer

Jimi Westbrook

Self - Performer

Phillip Sweet

Self - Performer

Luisana Lopilato

Self - Talent Family

Milo Manheim

Self

Caitlin McHugh

Self

Eve Nelson

Self - Background Vocals

Thom Nemer

Self

Donny Osmond

Self - Performer

Cailyn Peddle

Self

Adilyn Phillips

Self - Talent Family

Ariana Phillips

Self - Talent Family

Raven-Symoné

Self

Tracee Ellis Ross

Self

Joe Santoni

Self - DCapella Member

Brody Schaffer

Self - Dancer

Marcus Scribner

Self - Performer

ChaCha Shen

Self - Dancer

Future Zahir Wilburn

Self - Talent Family

Sienna Wilson

Self - Talent Family

RJ Woessner

Self - DCapella Member