Mumbai, Sept 18 (ANI): Hrithik Roshan and Katrina Kaif unveiled the title track of their much awaited film Bang Bang at an event held in Mumbai recently. And the duo has set the stage ablaze with their sizzling hot chemistry. The star has paid tribute to King of Pop, late Michael Jackson in the track by doing his trademark steps with such ease. Katrina who made a public appearance after a long break looked lovely in the printed DvF dress at the track's launch. Directed by Siddharth Anand and produced by Fox Star Studios,'Bang Bang' releases Oct 2.