Here's looking at one of the most expensive songs ever created in Bollywood. The track titled Malang is a high-energy number and reportedly has a whopping budget of over Rs 5 crore. The track features Aamir Khan and Katrina Kaif."The song features 200 professional gymnasts who were specially flown in from the US. And yes, the budget is roughly Rs 5 crore," says a source. The cost includes the fees of the gymnasts, their costumes and the elaborate sets."The 200 artistes stayed in the city for 20 days as they were training. The humongous set took nearly two months to be created," adds the source.