Rihanna and
Britney Spears performed
S&M in las vegas on Sunday at the 2011 Billboard Awards. The duo sealed the deal with an on stage kiss.
The talented songstress from Barbados picked up Awards for Top Radio Artist and Top Female Artist.
When Spears wasn't on stage, she sat next to boyfriend
Jason Trawick and mama
Lynn Spears.
2011 Billboard Winners List HereCheck out more photos and catch their dance moves on the video ...