Kangana Ranaut and Rajkumar Rao shake leg at music launch of `Queen`

New Delhi: Kangana Ranaut and Rajkumar Rao were spotted dancing at the music launch of their upcoming movie `Queen` in Mumbai. Speaking on the occasion, the ` Kai Po Che` star said, "` Queen` is the most fun film I have done till date and that is all because of this rock star".

Amit Trivedi started the musical evening with a live concert and also performed to the songs of the comedy film, which is slated to release on March 7. The film directed by Vikas Bahl is about a shy, simple girl who had been dumped by her fiance and decides to go on her honeymoon alone.