Paul McCartney, Jon Bon Jovi, Sheryl Crow, Fergie, Colbie Caillat, Natasha Bedingfield, Leona Lewis, Sean Paul, Johnny Rzeznik, Krewella, Angelique Kidjo, Kelsea Ballerini, Nicole Scherzinger, Christina Grimmie, Victoria Justice, Q orianka Kilcher
Love Song to the Earth
Leona Lewis, Mariah Carey, Jon Bon Jovi, Robbie Williams, Kylie, Rod Stewart, Alexandra Burke, Miley Cyrus, Take That, Joe McElderry, Cheryl Cole, JLS, Mika, Michael Buble, James Blunt, James Morrison, Susan Boyle and Westlife
Leona Lewis, Mariah Carey, Jon Bon Jovi, Robbie Williams, Kylie, Rod Stewart, Al