Hritik Roshan has asked Katrina Kaif to unzip him.Oh wait! Before you get any wrong ideas, we would like to tell you that the new dialogue promo of the Hritik-Katrina starrer Bang Bang has been released. For more Bollywood news and gossiphttp://www.youtube.com/user/bollywoodbackstage?feature=mheeSubscribe at http://www.youtube.com/subscription_center?add_user=BollywoodBackstageLike us on Facebookhttp://www.facebook.com/bollywoodbackstageFollow us on Twitterhttps://twitter.com/#!/BollywoodBstage