Alicia saved the show with her live reggae version of "No One." Check out the video below.
Beenie Man and Junior Reed were also on stage and pictured below. Chaka Demus & Pliers were there as well but are not pictured here.
Chris Brown
Celine Dion
Lenny Kravitz
Beyonce and Sugarland
Check out the video of that performance here.
Thumbnails: Alicia Keys performed her hit “No One” with surprise guests Beenie Man and others. Will add more pictures in part II. Chris Brown performed his hit “Kiss Kiss”. Celine Dion performed “Taking Chances.” Beyonce and the country band Sugarland performed Irrepleacable. Adam Levine performed as well as Avril Lavigne. Rascal Flatts performed as did the Jonas Brothers. Rihanna and Ne-Yo performed “Hate That I Love You.” Will.i.am performed with Fergie and Nicole Scherzinger.