Rihanna looks white hot at Billboard Music Awards

Rihanna attends the 2011 Billboard Music Awards at MGM Grand on Sunday. The 23-year-old singer, who was nominated 18 times, wears a Max Azria suit and jewelry by Cartier and Harry Winston.

Check out a photo of Rihanna performing with Britney below!

Rihanna performed (and had a pillow fight!) with Britney Spears during the Billboard awards. They performed a remix of S&M — and Rihanna even gave Brit a kiss on the cheek!

Judy Eddy/WENN.com