Special appearances in a film used to be kind of a surprise. Remember the time when you saw Salman Khan suddenly pop up in ‘Kuch Kuch Hota Hai’? That was memorable, right? Well these days, they think it’s better to show off the stars who are making guest appearances in a film. So here are Abhishek Bachchan and Ajay Devgan in ‘Bol Bachchan’ accompanied by Amitabh Bachchan, who’s making a special appearance in the film.