Jennifer Lopez (Jamie McCarthy/Getty Images/AFP)

Jennifer Lopez (Jamie McCarthy/Getty Images/AFP)

Maluma (Jamie McCarthy/Getty Images/AFP)

Maluma (Jamie McCarthy/Getty Images/AFP)

Cardi B (Jamie McCarthy/Getty Images/AFP)

Cardi B (Jamie McCarthy/Getty Images/AFP)

Millie Bobby Brown (Nicholas Hunt/Getty Images for MTV/AFP)

Millie Bobby Brown (Nicholas Hunt/Getty Images for MTV/AFP)

Camila Cabello (Jamie McCarthy/Getty Images/AFP)

Camila Cabello (Jamie McCarthy/Getty Images/AFP)

Pete Davison y Ariana Grande (Nicholas Hunt/Getty Images for MTV/AFP)

Pete Davison y Ariana Grande (Nicholas Hunt/Getty Images for MTV/AFP)

Bebe Rexha (Nicholas Hunt/Getty Images for MTV/AFP)

Bebe Rexha (Nicholas Hunt/Getty Images for MTV/AFP)

Shay Mitchell (Nicholas Hunt/Getty Images for MTV/AFP)

Shay Mitchell (Nicholas Hunt/Getty Images for MTV/AFP)

Brendon Urie (Mike Coppola/Getty Images for MTV/AFP)

Brendon Urie (Mike Coppola/Getty Images for MTV/AFP)

Liam Payne (Jamie McCarthy/Getty Images/AFP)

Liam Payne (Jamie McCarthy/Getty Images/AFP)

Hayley Kiyoko (Nicholas Hunt/Getty Images for MTV/AFP)

Hayley Kiyoko (Nicholas Hunt/Getty Images for MTV/AFP)

Sabrina Carpenter (AFP PHOTO / ANGELA WEISS)

Sabrina Carpenter (AFP PHOTO / ANGELA WEISS)

Shawn Mendes (Jamie McCarthy/Getty Images/AFP)

Shawn Mendes (Jamie McCarthy/Getty Images/AFP)

Grace VanderWaal (Nicholas Hunt/Getty Images for MTV/AFP)

Grace VanderWaal (Nicholas Hunt/Getty Images for MTV/AFP)

Nicky Hilton Rothschild (Nicholas Hunt/Getty Images for MTV/AFP)

Nicky Hilton Rothschild (Nicholas Hunt/Getty Images for MTV/AFP)

Ria Ora (Jamie McCarthy/Getty Images/AFP)

Ria Ora (Jamie McCarthy/Getty Images/AFP)

Olivia Munn (Nicholas Hunt/Getty Images for MTV/AFP)

Olivia Munn (Nicholas Hunt/Getty Images for MTV/AFP)

Karlie Kloss (Jamie McCarthy/Getty Images/AFP)

Karlie Kloss (Jamie McCarthy/Getty Images/AFP)

Iggy Azalea (Nicholas Hunt/Getty Images for MTV/AFP)

Iggy Azalea (Nicholas Hunt/Getty Images for MTV/AFP)

Anna Kendrick (Jamie McCarthy/Getty Images/AFP)

Anna Kendrick (Jamie McCarthy/Getty Images/AFP)

Blake Lively (Jamie McCarthy/Getty Images/AFP)

Blake Lively (Jamie McCarthy/Getty Images/AFP)

Kylie Jenner (Jamie McCarthy/Getty Images/AFP)

Kylie Jenner (Jamie McCarthy/Getty Images/AFP)

Nicki Minaj (Mike Coppola/Getty Images for MTV/AFP)

Nicki Minaj (Mike Coppola/Getty Images for MTV/AFP)