Mumbai, Feb 28 (IANS) Bollywood stars Amitabh Bachchan and Vidya Balan were cited as best actor and best actress respectively at the star-studded 55th Filmfare Awards ceremony here late Saturday.

Bachchan won the award for his role in 'Paa', while Vidya Balan claimed the trophy for her role in the same movie. As Bachchan was not present in the ceremony, Vidya Balan took the award on his behalf.

Hosting the gala night were Bollywood actors Shah Rukh Khan and Saif Ali Khan, whose one liners had the audience in splits. Their on-stage chemistry was much appreciated by the Bollywood stars present at the ceremony at the Yash Raj Studios.

'3 Idiots' was declared the best film, while Rajkumar Hirani claimed the best director award for the movie.

A.R. Rahman won the best music director for 'Delhi 6'.

Mohit Chauhan won the award for the best male playback singer for the song 'masakali' from the movie 'Delhi 6', while the female playback singer honours were shared by Kavita Seth and Rekha Bhardwaj.

While Kavita was awarded for the song 'Ik tara' from the movie 'Wake Up Sid', Rekha won the trophy for the song 'Genda phool' from the movie 'Delhi 6'.

Among the other highlights of the evening was a tribute to legendary pop singer Michael Jackson by Bollywood actor Shahid Kapoor, who charmed the audience with his perfect dance moves.