Rihanna was busy twerking with her friends after wrapping up her Diamonds world tour in New Orleans on Friday. She is definitely better than Miley Cyrus, Nicky Minaj and Vanessa Hudgens. Click Here To Watch Her Twerking : http://www.youtube.com/watch?v=4T3nFHNrpPM&list=PLDwSXpyOyWvSmqyo74gWdPlCNkt9Uw0KF