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Though there was speculation that Farhan Akhtar would sign Deepika Padukone for Don 2, considering the extra warm vibes (hint! Hint!) they shared during the making of Karthik Calling Karthik, it is Priyanka Chopra who will star in the sequel as well.
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As Shah Rukh Khan is very fond of PC, there was no rethinking at all who would be his co-star. The OSO girl will have to wait to star opposite King Khan yet again.