"Wow! Was I really 17 then! The beginning of my beginning... My Miss World anniversary. #Throwback," she tweeted Sunday.
After winning the title, she entered the Hindi film industry in 2003 with The Hero, which co-starred Sunny Deol and Preity Zinta.
The multi-talented actress has now carved a name for herself in acting, singing and has now also ventured into production.
She was recently praised for playing boxing champion M.C. Mary Kom in her biopic titled "Mary Kom".