Love Song to the Earth by Paul McCartney , Jon Bon Jovi , Sheryl Crow , Fergie , Colbie Caillat , Natasha Bedingfield , Leona Lewis , Sean Paul , John Rzeznik , Krewella , Angélique Kidjo , Kelsea Ballerini , Nicole Scherzinger , Christina Grimmie , Victoria Justice & Q'orianka Kilcher