This year's Billboard Music Awards kicked off at the MGM Grand Arena in Las Vegas on May 20, 2012.

Justin Biebe was named "Social Artist of the Year". 

Katy Perry was presented with the "Spotlight Award".

"Billboard Woman of the Year Award" went to Taylor Swift. 

The  "New Artist" award went to Wiz Khalifa. 

 "Hot 100 Song of the Year" award went to LMFAO's "Party Rock Anthem".  

LMFAO received another award for "Top Duo or Group"

"Male Artist of the Year" went to Lil Wayne.

Chris Brown takes home the "R&B Artist of the Year" award, beating Beyonce, Miguel, Cee Lo Green and Rihanna.