Jordin Sparks: Whitney Houston Tribute at the Billboard Music Awards with John Legend (Video)

Jordin Sparks gives a smile with boyfriend Jason Derulo at the 2012 Billboard Music Awards in Las Vegas on Sunday.

Jordin took the stage to perform a moving tribute to Whitney Houston, who was awarded the Millenium Award. She was joined by John Legend and Whoopi Goldberg.

Jordin was one of the last people to work with Whitney and their duet “Celebrate” from the movie Sparkle just made its debut on On Air with Ryan Seacrest.

Click inside for pics of Jordin from the Billboard Music Awards & to listen to “Celebrate.”