While he brought the house down with his live performance to the party number Saturday, she too matched steps with him. They also showed their crackling chemistry as they slow-danced on their movie's other track, Samjhawan reports the Times of India.
But the highlight of the event, which will also be aired on television, was when the actress went down on her knees and proposed to her co-star on stage, in front of the live audience. This impromptu act had everyone cheering for her.
Produced by Karan Johar, Humpty Sharma Ki Dulhania is Varun and Alia's second outing together.