You may ask why Deepika and Sonam are kept out of the tour. Well, Ranbir's dad Rishi Kapoor reasoned that he doesn't want any stress behind the stage. Sonam backed out but Deepika had expressed her eagerness to join the team. However, she has been intentionally kept out, knowing that Katrina wouldn't be comfortable sharing the stage with her.
Well, it may be recalled that Deepika and Sonam had made fun of Ranbir on Karan Johar's TV show Koffee With Karan.