The event was Karan Johar's birthday party. Bollywood celebs such as Aamir Khan, Kiran Rao, Hrithik Roshan, Ritiesh Deshmukh, Genelia D'souza, Alia Bhatt, Varun Dhawan, Parineeti Chopra, Kangana Ranaut, Malaika Arora Khan, Aditya Roy Kapur, Punit Malhotra, Dino Morea, Vishal Dadlani, Chunky Pandey, Huma Qureshi, Randeep Hooda, Sajid Nadiadwala, Siddharth Roy Kapur, Vidya Balan, Sonali Bendre, Goldie Behl, Sonam Kapoor and many more. Watch the video to know more...