Karan Johar's 42nd Birthday party sees Bollywood celebs Alia Bhatt, Varun Dhawan, Aditya Roy Kapoor, Parineeti Chopra, Aamir Khan, Sonam Kapoor,Nargis Fakhri, Hrithik Roshan, Vidya Balan and many more. Check it out!Subscribe now to watch more of Bollywood Hangover Videoshttp://www.youtube.com/subscription_center?add_user=bollywoodhangoverFor regular Facebook Updates Like our page http://www.facebook.com/bollywoodhangoverFollow us on Twitter to know all about Bollywoodhttp://twitter.com/Bollywood_NitinVisit our Google + Profilehttp://plus.google.com/117313763227226143768/posts