Louis Tomlinson, Liam Payne, Niall Horan, and Harry Styles of One Direction
Lauren Jauregui, Ally Brooke, Normani Hamilton, Camila Cabello, and Dinah-Jane Hansen of Fifth Harmony
Carrie Underwood
Demi Lovato
Michael Clifford, Calum Hood, Luke Hemmings, and Ashton Irwin of 5 Seconds of Summer
Selena Gomez
Zendaya
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Danica McKellar
Rocsi Diaz
Kelsea Ballerini
Charlie Puth
Kat Graham
Shawn Mendes
Gigi Hadid
Cole Whittle, Joe Jonas, JinJoo Lee, and Jack Lawless of DNCE
Tove Lo
Luke Bryan and Caroline Bryan
Brittney Marie Cole, Brian Kelley, and Tyler Hubbard of Florida Georgia Line, and Hayley Stommel
Diplo and Skrillex
Jenny McCarthy and Donnie Wahlberg
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Hannah Davis
Ciara
Gwen Stefani
Norman Reedus
Rebel Wilson
Nick Jonas
Meghan Trainor
Hailee Steinfeld
Avi Kaplan, Mitch Grassi, Scott Hoying, Kirstin Maldonado, and Kevin Olusola of Pentatonix
Cheryl Burke
Justin Bieber
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