Quick Hit: Britney Spears & Rihanna Yell, Grind Their Way Through “S&M” Billboard Performance (Video)

First and foremost, big shouts out to the internet for having video of the Billboard Music Awards performances up only minutes after the artists performed. So thankfully I just had to hit up YouTube to see Rihanna and Britney Spears lip-sync, yell, and grind their way through their performance of "S&M" last night.