Bollywood's bold siren Kangna Ranaut is all set to show her ultra-glamorous avatar in her upcoming film 'Once Upon A Time In Mumbai'. The film Directed by Milan Luthria stars the actress opposite to intense actor Ajay Devgn. And Kangna undoubtedly looks like a perfect 70's actress doing intimate hot scenes with the actor. In this candid interview with Kangna just went on praising Ajay Devgn. She also said, 'Ajay is her favorite co-actor. She just loved working with him'. All these and many more candid confessions from Kangna, only in this video, click on and enjoy!