Bollywood celebrities leave no stone unturned to promote their movies. From reality shows to daily soaps, radio and social media, by the time a movie releases, you almost get a feeling that you're done with it! While some stars go overboard to promote their movies, some don't even bother to do so. Believe it or not, there are many instances when the biggest of stars have taken a step back and not promoted their own films for various reasons. Here’s a list of some of them.