Billboard White Carpet: Rihanna!

Rihanna suits up on the white carpet at the 2011 Billboard Music Awards held at the MGM Grand Garden Arena on Sunday (May 22) in Las Vegas, Nev.

The 23-year-old pop phenom leads the nominations this year with 18!

Rihanna is up for such awards as Top Artist, Top Female Artist, Top R&B Artist, Top R&B Album for Loud, Top R&B Song for “What’s My Name?”, and Top Hot 100 Song for “Love The Way You Lie.”

Rihanna started off the show with a performance of “S&M” featuring a surprise appearance by Britney Spears!