E!'s Ground Zero for Rihanna-Ciara Twitter Smackdown

On this episode of Twitter smackdown, it's Ri-Ri vs. Ci-Ci. The two singing divas (and former Chris Brown lovers) went at it yesterday after Ciara brought up Rihanna on our very own...

Source: http://feeds.eonline.com/~r/eonline/ca/topstories/~3/QsecmVDbZAE/b228212_es_ground_zero_rihanna-ciara_twitter.html

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