Video: Britney Spears, Rihanna, and Beyoncé Perform at 2011 Billboard Music Awards

by POPSUGAR Celebrity 5

Britney Spears and Rihanna turned in one super sexy performance at last night's Billboard Music Awards! The singers teamed up to perform "S&M" — and even went in for a kiss — but Beyoncé also got the crowd on its feet with her single "Run the World (Girls)." Beyoncé took the stage in a skin-baring costume, before accepting Billboard's Millennium Award with a sweet shout-out to Jay-Z. Check out the night's highlights and big winners!

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