Zoya Akhtar`s 'Zindagi Na Milegi Dobara' and Imtiaz Ali`s 'Rockstar' triumphed at the 13th International Indian Film Academy (IIFA) awards on Saturday, with each winning four trophies. 'Zindagi Na..' won the awards for Best Film, Best Story, Best Actor in supporting role for Farhan Akhtar and Best Director for Zoya. 'Rockstar' won the Best Actor in the leading role for Ranbir, Best Music Direction for AR Rahman, Best Lyrics for the song and Best Playback Singer male for Mohit Chauhan for 'Nadaan Parindey'. Ranbir, who played the role of an aspiring singer who aims to make it big, beat actors like Amitabh Bachchan, Salman Khan, Shahrukh Khan and Hrithik Roshan, to walk away with the trophy. On the other hand, actress Vidya Balan continued her winning streak by picking up the award for Best Actress in a leading role for 'The Dirty Picture'. She emerged victorious among Priyanka Chopra, Kareena Kapoor, Mahie Gill and Kangna Ranaut.

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