Katie Armiger Brooke Hyland Alana Grace David Lambert Lucy Hale Jane Olivor Anna Blue Alyssa Bernal Emily Osment Lesley Roy Lorrie Morgan Damien Dawn Julia Sheer Anna Clendening G.R.L. Lauren Alaina Charlie Mars Connie Talbot Elaine Paige Chris Wallace Bradley Caleb Kane Linda Eder Kari Kimmel Anna Graceman Mt Warning Megan And Liz Hugo Conrad Sewell Release Hallucination Jonathan Tyler The Silent Comedy Denkare Charlie Puth Olivia Holt Lawson John Fullbright Imany Raign Naughty Boy Meghan Trainor Rixton The Band Perry Half Moon Run Alessia Cara Lukas Graham Carly Rae Jepsen Nevershoutnever Justin Timberlake A Great Big World