So, gone are the days when Katrina Kaif used to be the lucky charm of Akshay Kumar and their pair was thought to be a sure shot super hit formula. According to recent reports, Rowdy girl Sonakshi Sinha has taken over the position of the Zindagi Na Milegi Dobara star in Khiladi Kumars life as the actor is not only doing his next two big budget films -- Joker and Once Upon A Time In Mumbai 2 with the heroine but also approached her to do a special number in his co-production venture Oh My God. After the huge success of Rowdy Rathore, Akshay thinks Sonakshi is lucky for him and has recommended her name for the song, a close source said. The song is being composed by Himesh Reshammiya. Co-producer of the Umesh Shukla-directed film Ashwini Yardi confirmed the news, saying, "Yes, we have just signed up Sonakshi." The film, based on Paresh Rawal's popular Gujarati play Kanji Viruddh Kanji, is a story about Lord Krishna, being played by Akshay himself. According to the source, Sonakshi also didnt take long to give her assent for the song. "She did not take long to say 'yes'. She will start shooting for it very soon," the source added.