Humko Deewana Kar Gaye Version 2 - Akshay Kumar - Katrina Kaif - Sonu Nigam

Story Line: Aditya and Jia fall in love, but they are engaged to different people. They part ways only to meet at Jia's wedding reception, and that's when they realise that they still love each other. https://en.wikipedia.org/wiki/Humko_Deewana_Kar_Gaye