Usher and Chris Brown were among the performers at the 2012 Billboard Music Awards, held at the MGM Grand Garden Arena on Sunday (May 20) in Las Vegas, Nevada.

The airing also featured a special Whitney Houston tribute by singer-songwriter John Legend and singer-actress Jordin Sparks. Whitney’s teenage daughter Bobbi Kristina and sister-in-law Pat Houston took the stage to accept the Millennium Award in behalf of the late and great superstar. Check out video of that below along with photos/video of Alicia Keys, Goodie Mob and more.

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