maroon 5 michael buble alicia keys nickelback britney spears colbie caillat leona lewis paramore pink kanye west 50 cent featuring justin timberlake & timbaland foo fighters feist chris brown featuring t-pain cascada britney spears lupe fiasco featuring matthew santos kanye west ashley tisdale taylor swift fergie timbaland featuring keri hilson finger eleven set j. holiday baby bash featuring t-pain sean kingston jonas brothers daughtry timbaland featuring onerepublic carrie underwood fabolous featuring jermaine dupri matchbox twenty jason michael carroll rihanna featuring ne-yo kenny chesney good charlotte the-dream clay walker george strait soulja boy tell'em kanye west featuring t-pain dj khaled featuring t-pain wyclef jean featuring akon cassidy featuring swizz beatz josh turner juanes playaz circle featuring lil wayne gucci mane trey songz jordin sparks ingrid michaelson taylor swift keyshia cole introducing amina plies featuring akon leann rimes seether justin timberlake duet with beyonce soulja boy tell'em featuring i-15 santana featuring chad kroeger keith urban montgomery gentry sugarland fergie the last goodnight natasha bedingfield featuring sean kingston mary j. blige gary allan flo rida featuring t-pain rascal flatts sean kingston bow wow & omarion birdman featuring lil wayne sara bareilles dj felli fel featuring diddy linkin park alicia keys j. holiday celine dion brad paisley chuck wicks kanye west featuring dwele chris brown enur featuring natasja rihanna webbie rodney atkins chris brown snoop dogg john mayer mary j. blige pitbull featuring trina & young bo$$ mario craig morgan boys like girls buckcherry miley cyrus jaheim jack johnson keyshia cole maroon 5 paramore onerepublic alvin and the chipmunks chingy featuring amerie carrie underwood pitbull featuring lil jon landon pigg baby bash featuring sean kingston alvin and the chipmunks featuring chris classic alvin and the chipmunks janet alvin and the chipmunks flyleaf 3 doors down miranda cosgrove featuring drake bell miley cyrus carrie underwood dragonforce plain white t's alan jackson kenny chesney jordin sparks duet with chris brown 3 doors down fat joe featuring j. holiday the-dream michael cera & ellen page tim mcgraw shawty lo toby keith chris cagle jason aldean lifehouse brooks & dunn foo fighters natasha bedingfield kenny chesney duet with george strait aly & aj jonas brothers daughtry yael naim ray j & yung berg panic at the disco hannah montana missy elliott soulja boy tell'em featuring arab trace adkins puddle of mudd lenny kravitz sheryl crow colbie caillat rocko jewel cherish featuring yung joc mariah carey celine dion & josh groban usher featuring young jeezy rick ross featuring t-pain taylor swift 2 pistols featuring t-pain & tay dizm gavin degraw flo rida featuring timbaland fergie 2 george strait paula abdul & randy jackson lil mama featuring chris brown james otto 3 doors down missy elliott bucky covington phil vassar flex glen hansard & marketa irglova colby o'donis featuring akon erykah badu dolla featuring t-pain & tay dizm lady antebellum lil mama featuring chris brown & t-pain raheem devaughn britney spears flo rida featuring t-pain ashanti toby keith duffy coldplay leona lewis radiohead usher and young jeezy flo rida and t-pain rihanna jordin sparks and chris brown ray j and yung berg timbaland and onerepublic lupe fiasco webbie featuring lil' phat and lil' boosie alicia keys lil mama and chris brown flo rida and timbaland pitbull and lil jon fat joe and j. holiday wyclef jean featuring akon, lil wayne and niia rick ross and t-pain fergie cherish and yung joc 2 pistols featuring t-pain and tay dizm trace adkins janet jackson soulja boy and arab kanye west and dwele colby o'donis and akon paula abdul and randy jackson danity kane james otto maroon 5 enur and natasja boys like girls panic! at the disco birdman and lil wayne dolla featuring t-pain and tay dizm lil wayne and static major brad paisley bucky covington lady antebellum baby bash and sean kingston 3 doors down ryan leslie rascal flatts glen hansard and marketa irglova flo rida and sean kingston madonna and justin timberlake ferras gnarls barkley ne-yo fall out boy and john mayer nelly and fergie plies and ne-yo disturbed day26 death cab for cutie josh gracin rem carrie underwood metro station raheem devaughn dierks bentley c-side and keyshia cole trey songz kellie pickler montgomery gentry daughtry carrie underwood american idol top 8 annie lennox kenny chesney blake shelton toby keith rihanna flobots mariah carey mariah carey and t-pain jason mraz ne-yo seether estelle and kanye west chris brown chris brown jesse mccartney lil wayne usher featurnig beyonce and lil wayne weezer v.i.c. g unit ashlee simpson the-dream madonna busta rhymes and linkin park keyshia cole augustana sean kingston ting tings colbie caillat miranda lambert coldplay dj laz featuring flo rida and casely maroon 5 and rihanna t.i. katy perry alicia keys kardinal offishall and akon david banner and chris brown alan jackson new kids on the block kate voegele three 6 mafia featuring project pat, young d and superpower jason mraz and colbie caillat paramore david guetta and chris willis david cook david cook david cook david archuleta david cook david cook david archuleta david archuleta david cook david cook david cook taylor swift julianne hough david cook lloyd and lil wayne david cook lil wayne and t-pain usher featuring beyoncé and lil wayne usher the pussycat dolls the game and keyshia cole brooks & dunn josh turner and trisha yearwood