RR has a strong reason to side with Qazi at this crucial juncture of the show. RR had earlier stated that she would like to be jodi with Rex but now she's supporting Qazi because there's a strong reason. The reason is that Rex changed his mind. He is now wanting to be jodi with Arpitha and not RR. Everybody knows what Arpitha's role is in this change of mind of Rex. Naturally, RR would feel bad and change her mind too. Then why are some people in this forum blaming RR for siding Qazi at this point? Rex said it earlier and he's sticking to his point that he doesn't want to be jodi with Qazi and he's sure about it. On the other hand, RR realized that Rex cannot be trusted at any cost. So, therefore the change of mind. I don't blame RR for it at all. Her decision has been influenced by Rex's change of mind and his negative comments on RR's singing abilities. I don't think RR is wrong in any way.