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Robert rose to stardom in 2008 when he appeared as Iron Man and gave a stellar performance in Tropic Thunder. His role as Iron Man not only made him popular but also made him rich. Today, his net worth is estimated to be around $300 million (over Rs 2500 crore), which makes him richer than Indian superstars like Aamir Khan (Rs 1800 crore), Akshay Kumar (Rs 700 crore), Rajinikanth (Rs 450 crore) and Prabhas (Rs 300 crore). (Photo courtesy: Instagram@robertdowneyjr)