Ranbir Kapoor and Katrina Kaif???s break up has now become daily fodder for industry insiders and actors to discuss. Is it a publicity stunt, are they really DONE ? Will she go back to Salman Khan? Will RK and DP rekindle their romance ? There are all sorts of mind boggling theories and talks doing the rounds. At a recent party of a Bollywood biggie who is famous for throwing lavish dos attended by the creme de la creme of B-town, this topic was MAJORLY discussed.