Bollywoods Rockstar Ranbir Kapoor and The Dirty Picture girl Vidya Balan have continued their winning streak at the 13th International Indian Film Academy (IIFA) awards and won the best actor and actress awards Saturday night. Debutant filmmaker Zoya Akhtar's Zindagi Na Milegi Dobara and Imtiaz Ali's Rockstar swept the award ceremony by winning four awards each. Rockstar won best music director for A.R. Rahman, best lyrics and best playback singer awards for Mohit Chauhan for Nadaan Parindey, besides the best actor award, while Zindagi Natook home the awards for best film, best story, best actor in supporting role for Farhan Akhtar and best direction. Shreya Ghoshal was given the best female playback singer award for her song Teri Meri from the film Bodyguard. The surprise of the evening was the best debut actress in supporting role award which was won by Parineeti Chopra for Ladies v/s Ricky Bahl. The actress got emotional and tears rolled down her cheeks, whereas Vidyut Jamwal was honoured with the best debut male award for his performance in Force. Multilingual actor Prakash Raj got home with the best actor in a negative role award for Singham defeating the likes of Naseeruddin Shah for The Dirty Picture, Irrfan Khan for 7 Khoon Maaf and Boman Irani for Don 2. The show was hosted brilliantly by Shahid Kapoor and Farhan Akhtar, while Sonakshi Sinha, Bipasha Basu, Prabhu Deva, Priyanka Chopra, Shahid, Rishi and Ranbir Kapoor had set the stage ablaze with their powerful performances. Some special awards were also given to filmmaker Ramesh Sippy for his outstanding contribution to Indian cinema and veteran actress Zohra Segal for her contribution to 100 years of Indian cinema, while veteran actress Rekha was honoured with the lifetime achievement award.