Karan Johar’s chat show ‘Koffee with Karan season 6 has become a talk of the town as till now Bollywood biggies Aamir Khan, Akshay Kumar, Alia Bhatt, Deepika Padukone, Ranveer Singh have already shot with the filmmaker . Punjab’s Rockstar and Rapstar, actor producer Diljit Dosanjh and rapper Badshah shared the couch at the show.