Sonali Bendre who is currently quite content judging reality shows on the small screen, will be making an appearance on the silver screen after a decade in Once Upon A Time In Mumbai Dobara . She will be playing the role of Mumtaz in the film. Bendre says that she has done the role as a friendly gesture. Sonali who is making a guest appearance in the film, has a strong bond with Milan Luthria who shot her first song, ' Sambhala hai Maine... ' in Naaraaz. Apart from this friendship, Sonali's mother-in-law is one of Shobha Kapoor's good friends and Sonali claims that she did this role for free out of respect for the two important people in her life.