Bollywood filmmaker Karan Johar brought in his 42nd birthday in style and panache at his Mumbai residence on May 24. For more Bollywood news and gossiphttp://www.youtube.com/show/bollywoodnewsgossipSubscribe at http://www.youtube.com/subscription_center?add_user=BollywoodBackstageLike us on Facebookhttp://www.facebook.com/bollywoodbackstageFollow us on Twitterhttps://twitter.com/#!/BollywoodBstage