While we were busy decoding Rihanna's twitpic game, Tran retaliated with Nicki Minaj lyrics on her Facebook.

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Rihanna, Sting and Taylor Swift also performed, while Bruno Mars joined Ziggy and Damian Marley in a tribute to the late reggae star Bob Marley.

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The Euro-club sampling craze is taken to its bizarre extreme on "Live Your Life, " on which guest Rihanna borrows her obnoxious hook from Moldovan pop group Ozone, while "Whatever You Like" serves as T.

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This was followed by a performance from Rihanna, who sang her hit Diamonds wearing curve hugging bustier dress, while the models walked out in bejeweled outfits.

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While Brown said in the Larry King interview that he couldn't believe it all happened, Rihanna has no doubts.

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