Model- turned -actress Gauhar Khan, who is gearing up for the release of 'Begum Jaan', recently revealed she has been a huge fan of Vidya Balan and working with her was a "dream come true" for her. Gauhar along with 'Besharam' star Pallavi Sharda were today spotted in the national capital promoting Begum Jaan. Talking exclusively to ANI, the duo shared their experience of working with the 'Dirty Picture' actress. On a related note, Gauhar and Pallavi color coordinated their outfits and looked chic in black outfit. Directed by Srijit Mukherji, the movie is all set to hit theatres on April 14.