See pics: Karan Johar, Gauri Khan, Shweta Bachchan get filmy at Bollywood themed party

Karan Johar, Neha Dhupia, Janhvi Kapoor, Shweta Bachchan, Sidharth Malhotra and Shashank Khaitan's latest Instagram posts might serve as an answer that what happens when bollywood dresses up as bollywood. The Bollywood stars, on Tuesday, attended friend Amritpal Singh Bindra's birthday party and all of them came dressed as some of the iconic Hindi movie characters.