Rapper Yo Yo Honey Singh is all set to lend his voice to superstar Ranbir Kapoor in the actor`s upcoming film `Roy`. Honey Singh has already lent his voice to superstars such as Sunny Leone, Shahrukh Khan, Amitabh Bachchan and Deepika Padukone. Let`s wait and watch for his collaboation with the `Rockstar` actor!