Calum Scott Chord Overstreet James Arthur Wrabel Hearts & Colors Andra Day Niall Horan Andrelli Sam Smith Isaiah James Bay Labrinth Shawn Mendes Sia Chase Goehring Tom Odell George Ezra Judah And The Lion Ed Sheeran Captain Cuts Stevie Mccrorie Mitch James Lee Dewyze Jordan Mackampa Lumidee John Legend Matt Cardle Maisie Peters Adele Jamie N Commons Noah Cyrus Kodaline Charlie Cunningham Vance Joy Bruno Mars Chris Allen Lovelytheband Katelyn Tarver Birdy Haides Camila Cabello Wengie Lucien Belmond Romanz Chuck Adams We Three Jessica Lowndes Eric Reprid Equinox