South actor Rajnikant can't stop praising B-town actress Aishwarya Rai after working with her on Tamil film Endhiran, touted to be one of India's most expensive film projects.

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According to a source present at the music launch of the film in Kuala Lumpur last week, Rajnikant said: "There is no other beauty in our generation like Aishwarya Rai. She is a born artiste."

Rajnikant, who shares mutual admiration for Aishwarya's father-in-law, megastar Amitabh Bachchan, added jokingly: "Amitabh is looking at me from there and warning me not to praise her too much," the source informed.