R&B singer Usher is another addition to the already star-studded lineup set to perform at this year’s 2012 Billboard Music Awards in Las Vegas. The huge ceremony will be broadcast live May 20th at 8pm on the ABC television network, and will feature an array of music acts such including Justin Bieber, Cee Lo Green, Kelly ClarksonLMFAO, Linkin Park, and The Wanted.

Along with performing, Usher also shares a nomination with hitmaking DJ and producer David Guetta for their dance hit “Without You,” which successfully hit the number one spot on the Billboard chart last year. Guetta and Usher are reportedly working on a follow-up single.
[Props: Billboard]  
For more information, follow @Billboard on Twitter, check the Facebook page and the Billboard website.