Alia Bhatt and Varun Dhawan on 'Koffee With Karan'. All pics/Star World India Twitter account

Bollywood actors Varun Dhawan and Alia Bhatt graced the couch in the latest episode of 'Koffee With Karan' to promote their upcoming film 'Badrinath Ki Dulhaniya'. From Varun Dhawan confessing to watching porn to the actor gifting Alia Bhatt a 'vibrator', the episode was a laugh riot!