Meghan Trainor Mary Lambert G.R.L. Charlie Puth Sara Jackson-Holman Lucy Hale Charlotte Oc Melanie Martinez Hailee Steinfeld Sabrina Carpenter Iggy Azalea Alessia Cara Y'Akoto Sarah Simmons Sofia Carson Sabrina Chap Clean Bandit The Scrpt David Lambert Cher Lloyd Nina Nesbitt Bebe Rexha Kate Martin Echosmith Ed Sheeran Mika John Legend Marina And The Diamonds Omi Carly Rae Jepson Ariana Kat Graham Bella Ferraro Jason French Jesse Kinch Jennifer Lopez Brooke Hyland Andy Gramm Jlo Ricky Dillon Cia Laura Marano Lorde Shannon Saunders Uptown Funk Jennette Mccurdy Minus Six Let It Go Elvis Presley