Bollywood actors Shahid Kapoor and Sonakshi Sinha along with director Prabhu Deva launched the music of their upcoming action film 'R... Rajkumar' in Mumbai recently. In a candid chat with mediapersons during the launch, Kapoor, who is considered to be one of the best dancers in Bollywood, lauded Prabhu Deva. The audience was thrilled when Prabhu Deva performed on stage along with Kapoor. Actor-choreographer-director Prabhu Deva has directed a remake of Tamil movie, but 'R... Rajkumar' is his original film. The launch at JW Marriott hotel was attended by actor Sonu Sood who will also be seen in the movie. The action entertainer is co-produced by Eros International and produced by Viki Rajani and is slated to be released on December 06.