Shershaah co-stars Kiara Advani-Sidharth Malhotra and Luka Chuppi duo Kartik Aaryan-Kriti Sanon attend Karan Johar's birthday bash

Filmmaker Karan Johar hosted his birthday party on Wednesday night at his residence and Bollywood was in full attendance. KJo was in New York to ring in his 47th birthday.....