For the promotions of his forthcoming film Mere Brother Ki Dulhan, actor-singer Ali Zafar is planning a live concert to announce the film’s arrival, which also stars Imran Khan and Katrina Kaif. Buzz is that even Kareena Kapoor will be making an appearance at the concert. But we wonder why would Bebo take pains to promote a film that stars her arch rival Katrina. Let’s wait and watch.