James Arthur

Educator

Ally Brooke

American singer

Matt Terry

Singer

Matt Cardle

English singer

Aiden Grimshaw

English singer

The MacDonald Brothers

Pop duo

Rachel Crow

American singer

Isaac Waddington

Singer

Chris Rene

American singer-songwriter

Sonia Lacen

Musical artist

Fifth Harmony

Girl group

Jack Pack

Singing group

De Kast

Musical group

Heather Russell

Singer

Austin Porter

Musical artist

Nick Mara

Singer

Zion Kuwonu

Musical artist

Luminites

Band

Dalton Harris

Singer

Bars and Melody

Pop duo

PRETTYMUCH

Pop band

Reggie 'n' Bollie

Musical duo

5 After Midnight

Boy group

Bratislava Symphony Orchestra

ashwin khosa angelis

Singing group

LSD

Supergroup

Same Difference

Pop duo

Bessie Cursons

English actress

Loveable Rogues

Band

Rak-Su

Hip hop group

Louisa Johnson

Singer

Simon Cowell

English TV personality

Ryan O'Shaughnessy

Irish singer

Grace VanderWaal

American singer-songwriter

Courtney Hadwin

Singer-songwriter

Normani

American singer

Lauren Jauregui

American singer

Ina Wroldsen

Norwegian singer-songwriter

Melanie Amaro

American singer

Ella Henderson

English singer-songwriter

Carly Rose Sonenclar

American singer