[220] Usher , [221] Chris Brown , [222] Britney Spears , [220] Madonna , [223] Justin Timberlake , [114] Ludacris , [224] 50 Cent , The Game , [225] Fall Out Boy , [226] Green Day , [227] Miley Cyrus , John Mayer , [228] Lenny Kravitz , [229] and R. Kelly