Samantha and Naga Chaitanya are painting the town red with thier love story. What made Samantha fall in love with Naga Chaitanya? Dasari Narayana Rao has the answer to this. He says that it is Chaitanya’s infectiousness smile for which Samantha fell head over heals. The beautiful lady could not hold herself to this and fell in love. Dasari Narayana Rao was speaking at the audio launch ceremony of Naga Chaitanya starrer Premam. The film will come to theatres on the 7th of October.