Spice Girls

will.i.am, Fergie

Maroon 5

Jennifer Lopez, Pitbull

Justin Bieber, Ludacris

will.i.am, Britney Spears

Selena Gomez, Marshmello

Lorde

Tove Lo

Black Eyed Peas

Charli xcx, Iggy Azalea

Vera Blue

Lady Gaga

Demi Lovato, Cher Lloyd

Sabrina Carpenter

NEIKED, Dyo

Of Monsters and Men

Gryffin, ILLENIUM, Daya

Bag Raiders

Gwen Stefani

The Wanted

Disclosure, Sam Smith

Pitbull, Havana Brown

Timbaland, Justin Timberlake, Nelly Furtado

DJ Snake, Bipolar Sunshine

Sam Smith, Naughty Boy

Carly Rae Jepsen, Owl City

Jessie J

DNCE

Sugababes

Miley Cyrus

S Club

Alessia Cara

Olly Alexander (Years & Years)