Rihanna's suprise cameo Top Twitter Topic

Even though the VMAs were only half over, nothing got Twitter followers more excited than Rihanna's surprise opening performance with Eminem. Slim Shady launched the show with a performance of "Not Afraid," before the camera cut to Rihanna standing on the stage singing the opening chords of "Love the Way You Lie."

Fans took to Twitter with their thoughts, and Rihanna and Eminem became two of the most talked-about performers of the night. More than 4,700 tweets per minute were posted after Rihanna's performance, with the VMAs following her and Eminem being third most popular.

Justin bieber also tweeted about eminem