The event took place yesterday at Yash Raj Films' Andheri-based studio in Mumbai.
The music launch saw the stars of Mere Brother Ki Dulhan perform to two songs from the soundtrack.
Khan danced to the title track while Kaif delivered the rock inspired 'Dhunki' song.
The Delhi Belly star recently told Digital Spy that he feels apprehensive when filming choreographed Bollywood routines.
"It is actually when I am shooting the big song and dance sequences in commercial films that I start to feel nervous. I think every one of those that I have done I have felt apprehensive about," he revealed.
The love triangle-themed project is the 50th movie to be released by the production house.